IN MEMORIAM
  Dean Burk, 1904-1988 ... 101-107

ORIGINAL ARTICLES
Trace Analysis of Fluorine in Plants and Foods
  CY Wang, SP Yang,
  WG Xiu, DH Zhang;
  Kumming, Yunnan, China ... 108-111

An Experimental Study of Blood Biochemical Diagnostic Indices for Chronic Fluorosis
  Guan Zhi-zhong, Yang Pei-si,
  Yu Nai-den, Zhuang Zong-jie;
  Guiyang, GuiZhou, China ... 112-118

Soil Fluorine as an Indicator of Profile Development in the Yamuna Alluvial Plain, India
  AV Shanwal, IS Dahiya, DJ Dahiya;
  Hisar, India ... 119-127

Blood Serum Alkaline Phosphatase in Rats Following Dexamethasone and Fluoride Supplementation
  KC Kanwar, Sunman Dhar;
  Chandigarh, India ... 128-130

Fluorides in Blast-Furnace Gas Cleaning Sludge
  Geeta Jallan, GS Pandey;
  Raipur, India ... 131-132

Does Fluoridation of Domestic Water Supplies Reduce Fracture Rates in the Elderly?
  Mel Jones; Chester, England, UK ... 133-136

The Molecular Basis of Dental Fluorosis
  G Embery; Cardiff, Wales UK ... 137-140

ABSTRACTS
The Effect of Geochemical Factors on the Prevalence of Dental Diseases for Prehistoric Inhabitants of the State of Missouri
  CF Hildebolt, S Molnar,
  M Elvin-Lewis, J.K. McKee;
  St. Louis, Missouri, USA ... 141

Caries Prevalences Among Geochemical Regions of Missouri
  CF Hildebolt, M Elvin-Lewis,
  S Molnar, JK McKee,
  MD Perkins, KL Young;
  St. Louis, Missouri, USA ... 141-142

Circulating Levels of Sialic Acid and Glycosaminoglycans: A Diagnostic Test for Ankylosing Spondylitis
  AK Susheela, TK Das, JS Khurana,
  A Jayaswal, PK Dave;
  New Delhi, India ... 142-143

Fluorosis - Early Warning Signs and Diagnostic Test
  AK Susheela; New Delhi, India ... 144

Effect of Fluoridated Sucrose on Rat Caries
  SA Mundorff, D Glowinsky,
  CJ Griffin, JH Stein, IM Gwinner;
  Rochester, New York, USA ... 145

Effect of Subacute Dosage of Fluoride·on Male Mice
  KS Pillai, AT Mathai, PB Deshmukh;
  Valvada, Gujarat, India ... 145-146

Fluoride Redeposition and Retention During Bone Turnover in Lactating Rats
  J Nopakun, MK Guo,
  HH Messer, RH Ophaug;
  Minneapolis, Minnesota, USA ... 146

Measuring Length of Exposure to Fluoridated Water
  David Grembowski;
  Seattle, Washington, USA ... 147

Fluoride Therapy in Osteoporosis: Acute Effects on Parathyroid and Mineral Homeostasis
  TC Stamp, MV Jenkins,
  N Lovereridge, PW Saphier,
  M Katakity, SE MacArthur;
  Strathmore, United Kingdom ... 147-148

The Macroscopic and Scanning Electron-Microscopic Appearance and Microhardness of the Enamel, and the Related Histological Changes in the Enamel Organ of Erupting Sheep Incisors Resulting from a Prolonged Low Daily Dose of Fluoride
  G Suckling, DC Thurley, DGA Nelson;
  Wellington, New Zealand ... 148

A Method to·Assay Fluoride in Foods, Beverages and Diets
  H Lopez, JM Navia;
  Birmingham, Alabama, USA ... 149

The Influence of Dentist Supply on the Relationship Between Fluoridation and Restorative Care Among Children
  D Grembowski, P Milgrom;
  Seattle, Washington, USA ... 149

Diffusion of Fluorides in Human Dental Enamel in vitro
  FN Hattab; Hong Kong ... 150

Caries Prevalence and Length of Residency in Fluoridated and Non-Fluoridated Communities
  J Clovis, JA Hargreaves, GW Thompson;
  Edmonton, Alberta, Canada ... 150-151

Short-Term Effects of Fluoride and Strontium on Bone Formation and Resorption in the Mouse
  PJ Marie, M Hott;
  Paris, France ... 151-152

Inhibition of Enamel ·Dissolution Rates by Sodium Fluoride and Amine Fluorides in the Presence or Absence of Strontium Ions
  M Friedman, Y Kalderon,
  L Breyer, I Gedalia;
  Jerusalem, Israel ... 152-153

Dentifrice Usage Among Danish Children
  C. Bruun, A Thylstrup;
  Copenhagen, Denmark ... 153

The Fallacious Faith in Fluoride
  Judith A DeCava;
  Fullerton, California, USA ... 154