GUEST EDITORIAL
REFLECTIONS ON THE BEIJING CONFERENCE
  Tohru Murakami M D, Japan ... 1-2

ANNOUNCEMENT   XXIst Conference of ISFR 2
CORRECTION ... 2

RESEARCH REPORTS AND REVIEWS
ACID SECRETION AND FLUORIDE ABSORPTION BY THE LIGATED STOMACH OF THE RAT: MUTUAL INFLUENCES OF FLUORIDE AND LUMINAL ACIDITY
  K Gharzouli, A Senator, A Gharzouli, M Mustapha and S Abed, Algeria ... 3-9

FLUORIDE CONTENT OF DAIRY MILK FROM SUPERMARKET: A POSSIBLE CONTRIBUTING FACTOR TO DENTAL FLUOROSIS
  C Liu, L E Wyborny and J T Chan, China and USA ... 10-16

WATER FLUORIDE IN MOLO DIVISION OF NAKURU DISTRICT, KENYA
  J K Gikunju, J M Mbaria, W Mureithi, M N Kyule,
  J J McDermott and T E Maitho, Kenya ... 17-20

INTESTINAL EFFECTS OF SODIUM FLUORIDE IN SWISS ALBINO MICE
  H Sondhi, M L Gupta and G L Gupta, India ... 21-24

REPORT OF THE SIXTH FLUORINE SYMPOSIUM IN POLAND
  Anna Machoy-Mokrzynska, Poland ... 25-27

INTRODUCTION TO SIXTH FLUORINE SYMPOSIUM IN POLAND
  John Colquhoun, New Zealand ... 27-28

INORGANIC FLUORIDES CANADIAN ENVIRONMENTAL PROTECTION ACT, CANADIAN GOVERNMENT 1993
  Reviewed by R G Foulkes, Canada 29-32

WATER FLUORIDATION IN NEW ZEALAND AN ANALYSIS AND MONITORING REPORT, PUBLIC HEALTH COMMISSION 1994
  Reviewed by Bruce Spittle, New Zealand ... 33-36

XXth CONFERENCE ABSTRACTS
STUDIES ON FLUORIDE-ALUMINUM COMBINED TOXICOSIS
  Z D Wei, F Li, L Zhou et al, China 37-38

THE CARTILAGE DAMAGE OF FLUOROSIS
  Y Z Wang, China ... 39

SERUM AND URINARY FLUORIDE CONCENTRATION IN FLUORIDE-EXPOSED WORKERS OF AN

ALUMINIUM SMELTING FACTORY IN CHINA
  K Kono, Y Yoshida, M Watanabe et al, Japan; and
  G Sun, G Ding and Y Hu, China 40

FLUORIDE METABOLISM AND KIDNEY FUNCTION: HEALTH CARE OF FLUORIDE EXPOSED WORKERS
  K Kono, Y Yoshida, M Watanabe et al, Japan 40

PLANNING, IMPLEMENTATION AND EVALUATION OF A FLUOROSIS CONTROL PROJECT
  V K Desai, India ... 41

DEFLUORIDATION OF DRINKING WATER BY CO-PRECIPITATION WITH APATITE
  E I F Pearce, New Zealand; M J Larsen, Denmark 41

AN OUTBREAK OF FATAL FLUORIDE INTOXICATION IN A LONG-TERM HEMODIALYSIS UNIT
  P M Arnow, L A Bland, S Garciahouchins et al, USA 42

ABNORMAL BONE MINERALIZATION AFTER FLUORIDE TREATMENT IN OSTEOPOROSIS
  P Fratzl, P Roschger, J Eschberger et al, Austria 42-43

THE ASSOCIATION BETWEEN WATER FLUORIDATION AND HIP FRACTURE AMONG WHITE WOMEN AND MEN AGED 65 YEARS AND OLDER: A NATIONAL ECOLOGIC STUDY
  S J Jacobsen, J Goldberg, C Cooper and S A Lockwood, USA 43

FLUOR IN THE TREATMENT OF OSTEOPOROSIS:AN OVERVIEW OF THIRTY YEARS CLINICAL RESEARCH
  J Dequeker and K Declerck, Belgium ... 44

NORMAL AGE-RELATED CHANGES IN FLUORIDE CONTENT OF VERTEBRAL TRABECULAR BONE: RELATION TO BONE QUALITY
  A Richards, L Mosekilde and C H Sogaard, Denmark 45

FLUORIDE THERAPY: EFFECT ON BONE MICROSTRUCTURE AND BIOMECHANICS
  C Marcelli and P J Meunier, France ... 46

PHARMACOKINETIC PROFILE OF A NEW FLUORIDE PREPARATION: SUSTAINED-RELEASE

MONOFLUOROPHOSPHATE
  H Resch, C Libanati, J Talbot et al, USA 46-47

PHARMACOKINETIC DIFFERENCES BETWEEN SODIUM FLUORIDE AND SODIUM MONOFLUOROPHOSPHATE AND COMPARATIVE BONE MASS INCREASING ACTIVITY OF BOTH COMPOUNDS IN THE RAT
  A Rigalli, J C Ballina, A D Beinlich et al , Argentina ... 47

TOXIC EFFECTS OF CHRONIC FLUORIDE INGESTION ON THE UPPER GASTROINTESTINAL TRACT
  T K Das, A K Susheela, I P Gupta et al, India 48

IN VITRO FLUORIDE TOXICITY IN HUMAN SPERMATOZOA
  N J Chinoy and M V Narayana, India 48-49

ULTRASTRUCTURAL STUDIES OF SPERMIOGENESIS IN RABBIT EXPOSED TO CHRONIC FLUORIDE TOXICITY
  A Kumar and A K Susheela, India 49

PREVALENCE OF DEVELOPMENTAL DEFECTS OF ENAMEL IN AREAS WITH DIFFERING WATER FLUORIDE LEVELS AND

SOCIOECONOMIC GROUPS IN SRI LANKA AND ENGLAND J H Nunn, A J Rugg-Gunn, L Ekanayake and K D Saparamadu, England 50

YOUNG CHILDREN AND FLUORIDE TOOTHPASTE
  W P Rock, England ... 50

DISTRIBUTION OF FLUORIDE IN THE DENTAL TISSUES AND THEIR SUPPORTING MANDIBULAR BONE FROM THE SAME INDIVIDUAL
  K Ishiguro, H Nakagaki, K Takeuchi et al, Japan and England ... 51

RELATIONSHIP BETWEEN CARIES, WATER FLUORIDE LEVEL AND SOCIOECONOMIC CLASS IN 15-YEAR-OLD INDIAN SCHOOL CHILDREN
  M Rahmatulla and A H Wyne, Saudi Arabia 51

FACTORS ASSOCIATED WITH THE USE OF FLUORIDE SUPPLEMENTS AND FLUORIDE DENTIFRICE

BY INFANTS AND TODDLERS
  P Nourjah, A M Horowitz and D K Wagener, USA 52

FACTORS AFFECTING CARIES EXPERIENCE IN FRENCH ADOLESCENTS
  S Tubert-Jeannin, J P Lardon, E Pham and J L Martin, France 52-53

SECULAR TRENDS OF CARIES PREVALENCE IN 6- AND 12-YEAR OLD DUTCH CHILDREN
  G J Truin, K G Konig, E M Bronkhorst and J Mulder, The Netherlands ... 53

PREDICTION OF CARIES INCIDENCE IN SCHOOLCHILDREN LIVING IN A HIGH AND A LOW FLUORIDE AREA
  A Mattiasson-Robertson and S Twetman, Sweden ... 53

RECENT ADVANCES IN STANNOUS FLUORIDE TECHNOLOGY: ANTIBACTERIAL EFFICACY AND MECHANISM OF ACTION TOWARDS HYPERSENSITIVITY
  S Miller, T Truong, R Heu et al, USA ... 54

RISK FACTORS FOR ENAMEL FLUOROSIS IN A FLUORIDATED POPULATION
  D G Pendrys, R V Katz and D E Morse, USA 54-55

PREVALENCE OF FLUOROSIS AND OTHER ENAMEL DEFECTS RELATED TO CARIES AMONG ADULTS IN COMMUNITIES WITH OPTIMAL AND LOW WATER FLUORIDE CONCENTRATIONS
  A-M Wiktorsson, T Martinsson and M Zimmerman, Sweden 55