EDITORIAL
Osteomalacia in Fluoride Toxicity
  KAVR Krishnamachari. Hyderabad, India ... 1-3

ORIGINAL ARTICLES
Fluoride-Induced Activation and Inhibition of Granulocyte Functions (An Overview)
  JGR Elferink, Leiden. The Netherlands ... 4-13

Use of Pine Foliage as an Indicator of Fluoride Accumulation from UF₆ Technologies
  FG Taylor, JJ Beauchamp, PD Parr. Oak Ridge, Tennessee ... 14-20

Evaluation of Exposure to Fluoride and its Compounds in Children Living in the Area of Aluminum Plants
  A Rydzewska, A Kaniewski, Z Fiejsierowicz, M Chmielnik, F Cyplik. Poznan, Poland ... 21-25

Trace Elements in Serum and Bone Endemic Genu VaIgum: A Manifestation of Chronic Fluoride Toxicity
  KAVR Krishnamachari. Hyderabad, India ... 25-31

Fluoride Level in Whole Blood and Urine During D-Penicillamine Therapy of Rheumatoid Arthritis
  KD Teherani, G Tausch, H Altmann. Vienna, Austria ... 31-35

Fluoride Transport During Regular Hemodialysis Program with Fluoridated Water
  H Hanhijarvi, E Lampainen, A Pesonen. Kuopio, Finland ... 35-43

Fluoride Content of Urine, Blood, Nails and Hair in Endemic Skeletal Fluorosis
  J Elsair, R Merad, R Denine, K Khelfat, M Tabet Aoul, B Assunkumar, M Reggabi, M Azzouz, S Hamrour, B Alamir, M Biebie, J Naceur, S Benali. Algiers, Algeria ... 43-47

ABSTRACTS
Effects of Halides on Reduced Nicotinamide Adenine Dinucleotide Binding Properties and Catalytic Activity of Beef Heart Lactate Dehydrogenase
  SR Anderson. Corvallis, Oregon ... 48

I.R. Evidence for a Strong Hydrogen Bond in the Fluoride Uracil System
  JH Clark, JS Taylor, Heslington, York ... 48-49

Comparison of Fluoride Balances During Ambulation and Bed Rest
  UR Maheshwari, L Leybin, HC Hodge, at al. San Francisco, California ... 49

The Action of Various Fluorides on Rat Mast Cells: A Comparative Study
  W Kazimierczak, B Adamas. Cracow and Lodz, Poland ... 50

Effect of Fluorine Compounds on Respiratory Chain
  Z Machoy. Szczecin, Poland ... 51

FLUORIDE BRIEFS
The Use of Intraocular Gases: The Results of the Sulfur Hexafluoride Gas in Retinal Detachment Surgery
  WI Sabates, GW Abrams, DE Swanson, EW Norton ... 3

Functional Changes in the Salivary Glands of Rats after Sodium Fluoride Treatment
   I Boros, P Keszler, T Zelles ... 50

EDITORIAL
Classification of Dental Fluorosis ... 52-53

ORIGINAL ARTICLES
Drug-Induced Skeletal Fluorosis
  CA Baud, G Boivin, C Derneurisse. Geneva Switzerland ... 54-56

Fluoride in Small Mammals and their Potential Food Sources in Contaminated Grasslands
  SM Andrews, JA Cooke, MS Johnson. Sunderland and Liverpool, UK ... 56-63

Mechanism of Fluoride Action and Fluorosis
  JA Weatherell, C Robinson, D Deutsch. Clarendon Way Leeds, England ... 64-69

A Study of Factors Aggravating Dental Fluorosis
  H Limanowska, M Kobylanska, B George. Poznan, Poland ... 70-75

Action of Boron Upon Fluorosis: An Experimental Study
  J Elsair, R Merad, R Denine, M Reggabi, S Benali, B Alamir, M Hamrour, M Azzouz, K Khalfat, M Tabet Aoul, J Nauer. Algiers, Algeria ... 75-78

Fluoride in Air, Saliva, Urine, and Enamel in School Children
  K Opalko, K Lisiecka, J Mitrega, B Mietkiewska. Szczecin, Poland ... 78-81

Copper, Zinc and Magnesium in Breast Milk of Women Residing in Endemic Fluorosis Areas of Southern India
  KAVR Krishnamachari, K Rajalakshmi, G Radhiah. Hyderabad, India ... 81-87

Biochemistry of Fluorosis X - Comparative Study of the Fluoride Levels in Biological Fluids
  D Paez, O Dapas. Buenos Aires, Argentina ... 87-96

Effect of NaF on Tissue Vitamin C of Growing Cockerels (Gallusdomesticus)
  MH Yu, CJ Driver. Bellingham, Washington ... 97-104

ABSTRACTS
Osteomalacia Developing During Treatment of Osteoporosis with Sodium Fluoride and Vitamin D
  JE Compston, S Chadha, AL Merrett. London, England ... 105

Chloroplast Electron Transport, Protein and RNA in Fluoride-Treated Pea Shoots
  DJ Ballantyne, BL Glover. Victoria, BC, Canada ... 105

Clinical Appearance of Dental Fluorosis in Permanent Teeth in Relation to Histologic Changes
  A Thylstrup, O Fejerskov. Aarhus, Denmark ... 106

Microradiography of the Effect of Acute and Chronic Administration of Fluoride on Human and Rat Dentine and Enamel
  O Fejerskov, JA Yaeger, A Thylstrup. Aarhus, Denmark and Framington, Connecticut ... 107

Radiological Criteria of Industrial Fluorosis
  MA Boillat, J Garcia, L Velebit. Lausanne, Switzerland 107-108

FLUORIDE BRIEFS
Glycogen Accumulation in the Parathyroid Gland of the Rat After Fluoride Ingestion
  LJ Ream, R Principato ... 53

Comparative Effect of SnF₂, NaF, and SnCl₂ on the Growth of Streptococcus Mutans
  RR Mayhew, LR Brown ... 53

EDITORIAL
The Value of Urinary Fluoride Determinations ... 109

IN MEMORIAM
  Philip E Zanfagna, MD ... 109

ORIGINAL ARTICLES
Cytological Effects of Sodium Fluoride on Mice
  AH Mohamed, ME Chandler. Kansas City, Missouri 110-118

Leukocyte Response in Young Mice Chronically Exposed to Fluoride
  SR Greenberg. Chicago, Illinois 119-123

Effects of HF on the Budburst of Betula Tortuosa (Ledeb)
  G Sandberg, JE Hallgren, PA Essen. Umea, Sweden ... 124-131

Changes in Hepatic and Renal Microsomal Mixed Function Oxidase System in Adult Male Rats During Administration of NaF
  MG Soni, MS Kachole, SS Pawar. Aurangabad, India ... 132-136

Contrasting Effects of Fluoride and Calcitonin on Osteoid Turnover: Results of a Seven Year Study of Normal and Pathological Bones
  SM Mohamedally, M Phil, P Wix. London, UK ... 137-143

Calcium Accumulation in Relation to Fluoride Pollution in Plants
  JP Garrec, S Chopin. Grenoble, France ... 144-149

Effect of HF on Photosynthesis, Photorespiration and Dark Respiration in Scotch Pine
  G Lorence-Plucinska, J Oleksyn. Kornik, Poland ... 149-156

Histology and Biochemistry of Renal Parenchyma in Guinea Pigs Due to Long-term Exposure to HF
  C Rioufol, P Bourbon, C Philibert. Toulouse, France ... 157-161

ABSTRACT
Morphofunctional Characterization of Certain Ultrastructures of Rat Liver Hepatocytes Under the Prolonged Influence of Sodium Fluoride
  Lavrushenko LF, Trunov VI, Okunev VN. Ukraine, SSR ... 162

BOOK REVIEWS ... 163-164

FLUORIDE BRIEFS
A Scanning Electron Microscopical Study of Normal and Fluorotoic Enamel Demineralized by EDTA
  A Thylstrup ... 131

A Scanning Electron Microscopic and Microradiographic Study of Pits in Fluorosed Human Enamel
  A Thylstrup, O Fejerskov ... 131

IN MEMORIUM
George L. Waldbott, M.D. ... 165-168

EDITORIAL
Overfluoridation ... 169-172

ORIGINAL ARTICLES
Fate of Fluoride Following Its Administration into a Biological System - An In Vivo Study
  AK Susheela, YD Sharma, Mohan Jha, et al. New Delhi, India ... 173-177

Certain Facets of F^– Action on Collagen Protein in Osseous and Nonosseous Tissues
  AK Susheela, YD Sharma. New Delhi, India ... 177-190

F^– Ingestion and Its Influence on Glycosaminoglycans in Cancellous and Cortical Bone - A Structural and Biochemical Study
  AK Susheela, Mohan Jha. New Delhi, India ... 191-198

On the Significance of Sialic Acid and Glycosaminoglycans in the Serum of Fluorosed Human Subjects
  AK Susheela, Mohan Jha. New Delhi, India ... 199-202

Adenyl Cyclase Activity and Cyclic Amp Levels Following F^– Ingestion in Rabbits and Human Subjects
  M Singh, AK Susheela. New Delhi, India ... 202-208

Ultrastructural Observations on the Effects of Fluoride Ingestion on the Parathyroid Gland of the Rat
  LJ Ream. Dayton, Ohio ... 208-214

Comparative Metabolic Studies in Fluoride- reated and Streptozotocin-Diabetic Rats
  I Boris, P Keszler, ZS Toth, T Zelles. Budapest, Hungary ... 214-221

ABSTRACTS
The Uracil-Fluoride Interaction: Ab Initio Calculations Including Solvation
  J Emsley, DJ Jones, RE Overill. King's College, Strand, London ... 222

A Review of Clinical Research on the Use of Prenatal Fluoride Administration for Prevention of Dental Caries
  WS Driscoll. Salt Lake City, Utah ... 222

FLUORIDE BRIEFS
Effect of NaF on Rat Tissue cAMP Levels in vivo
  DW Allmann, HS Kleiner ... 198

Inactivation of Poliovirus and Other Enteroviruses by Solutions of Sodium Fluoride At Low pH
   RD Eubanks, SR Farrah ... 221

SF6-gas within the actual retinal surgery (Author’s Transl.)
   R Kroll, H Busse, B Binot ... 221