EDITORIALS

GUEST EDITORIAL:
  REPORT OF XXIst CONFERENCE
    Richard G Foulkes ... 1-3
  ISFR CONFERENCES Past and Future ...4

RESEARCH REPORTS
SPIN TRAPPING TECHNIQUE STUDIES ON ACTIVE OXYGEN RADICALS FROM HUMAN POLYMORPHONUCLEAR LEUKOCYTES DURING FLUORIDE - STIMULATED RESPIRATORY BURST
  Y Y Wang, B L Zhao, X J Li, Z Su and W J Xi, China ... 5-15

ELECTROCARDIOGRAM ANALYSIS OF PATIENTS WITH SKELETAL FLUOROSIS
  R Y Xu, China ... 16-18

FLUOROSIS IN CHILDREN AND SOURCES OF FLUORIDE AROUND LAKE ELEMENTAITA REGION OF KENYA
  R W Kahama, D N Kariuki, H N Kariuki
  and L W Njenga, Kenya ... 19-25

RELATIONS BETWEEN ECOLOGICAL ENVIRONMENT AND ENDEMIC FLUOROSIS IN HOHHOT, INNER MONGOLIA
  R Q Xu, D Q Wu and R Y Xu, China ... 26-28

INVESTIGATION OF POISONING BY COAL SMOKE CONTAINING ARSENIC AND FLUORINE
  D An, Y G He and Q X Hu, China ... 29-32

ENDEMIC FLUOROSIS IN SAN LUIS POTOSI, MEXICO.
III. SCREENING FOR FLUORIDE EXPOSURE USING A GEOGRAPHIC INFORMATION SYSTEM
  M Grimaldo, F Turrubiartes, J Milan, A Pozos,
  C Alfaro and F Diaz-Barriga, Mexico ... 33-40

FLUORIDE TOXICITY ON RAT TESTIS AND CAUDA EPIDIDYMAL TISSUE COMPONENTS AND ITS REVERSAL
  N J Chinoy, S Shukla, A S Walimbe and
  S Bhattacharya, India ... 41-50

TOXICITY OF FLUORIDE TO DIABETIC RATS
  C A Y Banu Priya, K Anitha, E Murali Mohan,
  K S Pillai and P B Murthy, India ... 51-58

REPORT ON 7th FLUORINE SYMPOSIUM "ANALYSIS OF FLUORINE" SZCZECIN, POLAND, APRIL 26-27 1996
  T Ogonski and Z Machoy, Poland ... 59-60

XXIst CONFERENCE ABSTRACTS
BIOLOGICAL MONITORING OF FLUORIDE-EXPOSED WORKERS ESPECIALLY FOR HEALTH CARE OF ELDERLY WORKERS
  Koichi Kono, Japan ... 61-63

DIALYZABILITY OF FLUORIDE IN HEMODIALYSIS PATIENTS
  K Usuda, K Kono, M Watanabe, Y Takahashi, Y Yoshida,
  M Shimahara, N Hashiguchi and J Senda, Japan ... 63

EFFECTS OF SERUM FLUORIDE ON BONE MINERAL DENSITY IN PATIENTS UNDERGOING HEMODIALYSIS
  Y Takahashi, K Kono, T Dote, M Watanabe, K Usuda,
  K Nishiura, Y Yoshida, A Harada* and K Doi, Japan ... 64

RELATIONSHIP BETWEEN SERUM FLUORIDE ION CONCENTRATION AND BONE MINERAL DENSITY
  M Nohara, K Itai, T Onoda, M Tatsumi and
  H Tsunoda, Japan ... 64

COMPARISON OF NON-FLUOROTIC URBAN RESIDENTS AND SUBURBAN INHABITANTS WITH ENDEMIC FLUOROSIS
PART 1: FLUORIDE CONTENTS IN URINE AND HAIR
  M Niwa, T Sato, S Osato, M Okada, T Tanaka,
  D H Zhang, L Y Hao and F Y Cheng, Japan and China ... 65

PART 2: MENOPAUSE AND BONE MINERAL CONTENT
  S Osato, M Niwa, T Sato, M Okada, I Kuroyama, H Rai,
  D H Zhang, L Y Hao and F Y Cheng, Japan and China ... 65

NUTRITION AND DENTAL FLUOROSIS
  Y Chen, M Lin, Y Xiao, D Min and C Chen, China ... 65

INTRA-MATRICIAL DEBRIS OF EARLY ENAMEL MATRIX
  T B Kardos, New Zealand ... 66

ABSTRACTS
WATER AND TURF - FLUORIDATION AND THE 20TH-CENTURY FATE OF WATERWORKS ENGINEERS
  E Hunt, USA ... 67

THE PLACE OF FLUORIDE SUPPLEMENTS IN CARIES PREVENTION TODAY
  P J Riordan, Australia ... 67

CIRCULATING TESTOSTERONE LEVELS IN SKELETAL FLUOROSIS PATIENTS
  A K Susheela and P Jethanandani, India ... 68

REVERSAL OF FLUOROSIS IN CHILDREN
  S K Gupta, R C Gupta, A K Seth and A Gupta, India ... 68-69

INHALATION ANAESTHETICS AND LIVER DAMAGE
  R S Henderson, New Zealand ... 69

FLUORIDE-INDUCED NEPHROTOXICITY: FACT OR FICTION [German]
   M Nuscheler, P Conzen, D Schwender and K Peter, Germany ... 70

LETTERS TO THE EDITOR

CRITIQUE OF STUDY
  Bill Wilson, New Zealand ... 71-72

REPLY TO PROFESSOR JENKINS
  Richard G Foulkes, Canada ... 73

CALL FOR PAPERS ... 74

CORRECTION ... 74