EDITORIAL REVIEW
Osteoporotic Hip Fractures and Fluoridation ... 51-54

ORIGINAL ARTICLES
Fluoride Content of Various Sodium Chloride Samples
  Nobuhide Kokubu, Akira Yamasaki,
  Tokyo, Japan ... 51-54

Effect of Fluoride on Some Hematological Parameters of an Estuarine Mudskipper, Boleophthalmus dussumieri
  YA Shaikh and PK Hiradhar
  Surat, India ... 55-57

Fluoride Intoxication in Cattle due to Industrial Pollution Caused by Processing Rock Phosphate
  Franklin Riet-Correa, Joāo A Oliveira,
  Maria C Méndez, Ana L Schild,
  Pelotas, R.S, Brazil ... 61-64

Specific Physicochemical Properties of Fluoridated Carbonate Apatites
  Masayuki Okasaki, Osaka, Japan ... 65-70

Effects of Inhaled HF on Cholesterol Metabolism in Guinea Pigs
  JC Dousset, C Rioufol, P Bourbon,
  P Lévy and R Feliste,
  Toulouse, France ... 71-77

Effect of Fluoride and Mercury upon the Activity of Aminotransferases
  H Miszta and Z Dabrowski,
  Krakow, Poland ... 78-79

Roentgen Diagnosis of Industrial Skeletal Fluorosis (A Report of 100 Cases)
  Wang Jie, Gong Tian-Siang, Zhen Cei-Ai,
  Chen Kui Zhen, Cao Dong-Ming,
  Ding Jun-Qing, Hunan, China ... 80-86

Binding of Fluoride lon to Egg Albumin Studied with the Fluoride Ion Selective Electrode
  Dean C Luehrs, William C Johnson,
  Houghton, Michigan, USA ... 86-89

ABSTRACTS
Duration and Course of Pregnancy of Women Living near the Police Chemical Plant - A Clinical Study
  D Kłokocki, J Pawlicka-Kłokocka,
  Szczecin, Poland ... 90

The Use and Potential Misuse of Fluoride
  Walter L Gabler, Wesley W Bullock,
  Howard R Creamer, Portland, Oregon ... 90-91

Fluoride in Tea: A Preliminary Study to Estimate the Quantity of Fluoride Intake through Tea Drinking
  Ibnu Effendi and Djajadi Wibowo,
  Dept. of Health, Indonesia ... 92

Effect of Fluoride lons on Cariogenic Bacteria
  Andrzej Obersztyn, Jan Trykowski,
  Warsaw, Poland ... 93

The Fluoride Content in Cultivated Soil under Different Geographical Conditions in China and its Relation to Endemic Fluorosis
  Li Ribang, Tan Jianan, Wang Lizhen,
  Zheng Daxian, Wang Wuyi,
  Beijing, China ... 94

The Fluoride Content of Some Teas Available in Australia
  JR Smid and BJ Kruger,
  St. Lucia, Queensland ... 94-95

Effect of Sodium Fluoride and Fluoroacetamide on Sister Chromatid Exchanges and Chromosomal Aberrations in Cultured Red Muntjac (Muntjacus muntjak) Cells
  Weishun He, Aihua Liu,
  Haixian Bio, et al.,
  People's Republic of China ... 95

The Effect of Fluoride on the Gastric Mucosa of the Rat
  DH Pashley, NB Alison, RP Eastman,
  RV McKinney, JA Horner, GM, Whitford,
  Fort Gordon, Georgia ... 96

Tooth Wear, Solubility and Fluoride Concentration of Molar-tooth Surfaces in Rats Maintained on Simultaneous or Separate Intake of Food and Fluoridated Drinking Water
  A Markitziu, I Saloman, I Gedalia,
  Jerusalem, Israel ... 97

Short-term Effects of Fluoride on Biosynthesis of Enamel Matrix Proteins and Dentine Collagens and on Mineralization during Hamster Tooth-germ Development in Organ Culture
  ALJJ Bronckers, JHM Wöltgens,
  Amsterdam, The Netherlands ... 98

Influence of Social Class and Fluoridation on Child Dental Health
  John Colquhoun, Auckland, NZ ... 98-100

Fatal Systemic Fluorosis Due to Hydrofluoric Acid Burns
  Theodore G Meyer, Peter L Gross,
  Boston, Massachusetts ... 100-101

The Effect of Chronic High Fluoride Levels on Forming Enamel in the Rat
  PK DenBesten, MA Crenshaw,
  Chapel Hill, North Carolina ... 101-102

Weekly Rinsing with a Fluoride Mouthrinse in an Unfluoridated Community: Results after Seven Years
  DH Leverett, OV Sveen, OE Jensen,
  Rochester, New York ... 102-103

Toxicity of Fluoride-containing Dental Preparations: A Review
  GE Smith, Melbourne, Australia ... 103-104

Metabolism of the Inhaled Anaesthetics: Implications of Enzyme Induction
  RI Mazze, Palo Alto, CA, USA ... 104