BIOSTATISTICS AND METHODS OF EPIDEMIOLOGY 1
Questions 1
Preface 7
Introduction 9
Answers，Explanations，and References 34
EPIDEMIOLOGY AND PREVENTION OF COMMUNICABLE DISEASES 69
Questions 69
Answers，Explanations，and References 92
ENVIRONMENTAL AND OCCUPATIONAL HEALTH 119
Questions 119
Answers，Explanations，and References 135
EPIDEMIOLOGY AND PREVENTION OF NONCOMMUNICABLE AND CHRONIC DISEASES 151
Questions 151
Answers，Explanations，and References 174
PROVISION OF HEALTH SERVICES 197
Questions 197
Answers，Explanations，and References 205
LEGAL AND ETHICAL ISSUES 217
Questions 217
Answers，Explanations，and References 223
Bibliography 235