The Chornobyl Aftermath

3 I. Masnyk Editorial: Chornobyl — 20 Years Later

7 W. Wertelecki Rates of Neural Tube Defects in Ukraine Highest in Chornobyl Impacted Regions

16 Z. Matkiwsky Òhe Lasting Impact of Chornobyl

22 L. Pyrih Chornobyl: Soviet Secrecy and Spin Control

26 I. Ponomariov The Chornobyl Accident and Assessment of Breast Cancer Morbidity in Ukraine: A Statistical Challenge

34 M.D. Tronko, G.R. Howe, T.I. Bohdanova, et al A Cohort Study of Thyroid Cancer and Other Thyroid Diseases after the Chornobyl Accident: Thyroid Cancer in Ukraine Detected During First Screening

Public Health

47 D. DeBell, R. Carter Ukraine: The Public Health Challenges Posed by HIV/AIDS

Medical Ethics

56 V.Ì. Zaporozhan Nooethics: Philosophical Foundations of Global Bioethics

Member News

64 R.B. Worobec Boris D. Lushniak, MD — Promot³în to Assistant Surgeon General and Rear Admiral in the Commissioned Corps

Biographical Sketches

67 B. Nadraha, V. Semeniv Ivan Kurovets, MD

72 P. Pundy Alexander Farion, MD

Anniversaries

75 The Editors Paul Dzul, MD

76 Announcements

78 Instructions for Authors

80 UMANA Officers