JohnSnowwasanEnglishphysicianandaleaderintheadoptionofa...
问题详情：JohnSnowwasanEnglishphysicianandaleaderintheadoptionofanesthesia(*的)andmedicalhygiene(医疗卫生).Heisconsideredoneofthefathersofmodernepidemiology(传染病),inpartbecauseofhisworkintracingthesou...