GUEST EDITORIAL
"NUTRIENT" OR "CONTAMINANT" ?
  Richard G Foulkes, Canada ... 129-130

RESEARCH REPORTS AND REVIEWS
FLUORINE ACCUMULATION IN BONES OF HUMAN SKULLS IN RELATION TO CHRONOLOGICAL AGE
  D Chlubek, I Nocen, E Dabkowska, B Zyluk, Z Machoy and B Kwiatkowska, Poland ... 131-134

IN VITRO ADSORBANCE OF FLUORIDE BY BONE
  L Krook and R R Minor, USA ... 135-138

FLUOROSIS INDUCED BY DRINKING BRICK TEA
  J Cao, X X Bai, Y Zhao, J W Liu, D Y Zhou, S L Fang, M Jia and J S Wu, China ... 139-143

FLUORIDE CONTENT OF SOME TEAS CONSUMED IN SÂO PAULO
  M A F Pires, E S K Dantas and C S Munita, Brazil ... 144-146

COMPARISON OF FLUORIDE CONTENT IN CAFFEINATED, DECAFFEINATED AND INSTANT COFFEE
  D P Warren, H A Henson and J T Chan, USA ... 147-150

CONTRIBUTION OF FLUORIDE IN WATER AND FOOD TO THE PREVALENCE OF FLUOROSIS IN AREAS OF TAMIL NADU IN SOUTH INDIA
  G Karthikeyan, Anitha Pius and B V Apparao, India ... 151-155

EFFECTS OF ARSENIC OR/AND FLUORIDE ON MINERALIZED TISSUES OF THE RAT
  D S Li, T W Cutress, E I F Pearce and G E Coote, China and New Zealand 156-162

FLUORIDE IN URINE, HAIR AND NAILS OF PHOSPHATE FERTILIZER WORKERS
  W Czarnowski, K Stolarska, B Brzezinska and J Krechniak, Poland ... 163-165

SPATIAL VARIATION IN FLUORINE OF AN INDO-GANGETIC ALLUVIAL PLAIN OF INDIA
  M S Grewal, A Kumar and M S Kuhad, India ... 166-174

ABSTRACTS
KRIGING: UNDERSTANDING ALLAYS INTIMIDATION
  Ricardo A Olea, USA ... 175-176

On environmental effects
POTENTIAL ACCUMULATION OF A CFC-REPLACEMENT DEGRADATION PRODUCT IN SEASONAL WETLANDS
  T K Tromp, M K W Ko, J M Rodriguez and N D Sze, USA ... 176

BIOMONITORING OF FLUORIDE CONTAMINATION OF WILD RUMINANT HABITATS IN NORTHERN BOHEMIA (CZECH REPUBLIC) [GERMAN]
  H Kierdorf, U Kierdorf and F Sedlacek, Germany ... 177

FLUORIDE EXPOSURE IN CERVIDS INHABITING AREAS ADJACENT TO ALUMINUM SMELTERS IN NORWAY: 1 RESIDUE LEVELS, 2 FLUOROSIS
  T Vikoren, G Stuve and A Froslie, Norway ... 177-178

FLUORIDE EXPOSURE AND SELECTED CHARACTERISTICS OF EGGS AND BONES OF THE HERRING GULL (LARUS ARGENTATUS) AND THE COMMON GULL (LARUS CANUS) T Vikoren and G Stuve, Norway ... 178-179

FLUORIDE IMPACT ON NATIVE TREE SPECIES OF THE ATLANTIC FOREST NEAR CUBATÃO, BRAZIL
  A Klumpp, G Klumpp, M Domingos and M D Dasilva, Brazil ... 179

On skeletal effects
CHANGES IN POLYSACCARIDES IN BONE AND ARTICULAR CARTILAGE OF RATS EXPOSED TO FLUORIDE
  Miklós Bély, Hungary ... 180

EFFECTS OF FLUORIDE ON RAT VERTEBRAL BODY BIOMECHANICAL COMPETENCE AND BONE MASS
  C H Sogaard, L Mosekilde, W Schwartz et al, Denmark ... 180

SPINAL CORD COMPRESSION AND BONE FLUORIDE INTOXICATION - REPORT OF FOUR CASES [French]
  A Mrabet, M Fredj, S Benammou et al, Tunisia ... 181

FLUORIDE SUPPLEMENTATION STATUS, FRACTURES AND OSTEOPENIA IN CHILDREN WITH ACUTE LYMPHOBLASTIC LEUKEMIA R D Barr, J M Halton, C Webber et al, Canada ... 181

On non-skeletal effects
ENHANCED CONTRACTILE RESPONSES OF ARTERIES FROM STREPTOZOTOCIN DIABETIC RATS TO SODIUM FLUORIDE
  L P Weber, W L Chow, W Abebe and K M Macleod, Canada ... 182

EFFECT OF INTRATESTICULAR INJECTION OF SODIUM FLUORIDE ON SPERMATOGENESIS
  R L Sprando, T N Black, M J Ames et al, USA ... 182

ABSENCE OF DETRIMENTAL EFFECTS OF FLUORIDE EXPOSURE IN DIABETIC RATS
  A J Dunipace, C A Wilson, M E Wilson et al, USA ... 183

PHOTOPERIODIC ELEVATION OF TESTICULAR ZINC PROTECTS SEMINIFEROUS TUBULES AGAINST FLUORIDE TOXICITY IN THE BANK VOLE (CLETHRIONOMYS GLAREOLUS)
  A Krasowska and T Wlostowski, Poland ... 183-184

EVALUATION OF MUTAGENIC AND CYTOTOXIC EFFECTS OF SODIUM FLUORIDE ON MAMMALIAN CELLS INFLUENCED BY AN ACID ENVIRONMENT
  D Slamenova, K Ruppova, A Gabelova, and L Wsolova, Slovakia ... 184

ENHANCEMENT OF ALUMINUM DIGESTIVE ABSORPTION BY FLUORIDE IN RATS
  P Allain, F Gauchard and N Krari, France ... 184

URINARY FLUORIDE EXCRETION IN CHILDREN LIVING AROUND AN ALUMINIUM SMELTER [FRENCH]
C Declercq, P Ponti, D Warembourg et al, France ... 185

UMBILICAL CORD FLUORIDE SERUM LEVELS MAY NOT REFLECT FETAL FLUORIDE STATUS S Shimonovitz, D Patz, P Everhadani et al, Israel ... 185

Dental
FLUORIDE CONTENT OF THE ENAMEL AND DENTINE OF HUMAN PREMOLARS PRIOR TO AND FOLLOWING THE INTRODUCTION OF FLUORIDATION IN NEW ZEALAND
  T W Cutress, G E Coote, M Shu and E I F Pearce, New Zealand ... 186

FLUORIDE DISTRIBUTION IN HUMAN DENTAL CALCULUS OBTAINED FROM DIFFERENT SITES ON THE TOOTH SURFACE S Huang, H Nakagaki, H Okumura et al, Japan, England and New Zealand ... 186