00534nam a2200181Ia 450000500170000000800410001702000610005803500090011904100080012808200080013610000220014424500330016626000410019930000150024050000090025550500430026465000450030720260808125425.0260808s9999||||xx |||||||||||||| ||und||  a0-333-16563-2 (hard cover) & 0-333-16564-0 (paper cover)  a4429  aENG  a616  aAlderson, Michael 0aIntroduction to epidemiology  aDelhibMacmillan Press Limitedc1976  aviii + 230  aGift  adiseases, pathology, internal medicine  aDiseasesbPathology -- Internal medicine