00545nam a2200169Ia 450000500170000000800410001703500090005804100080006708200120007510000180008724500490010526000400015430000090019450500970020365000550030070000200035520260808125305.0260808s9999||||xx |||||||||||||| ||und||  a1111  aENG  a616.071  aSimmon, J. S. 0aMedical and public health laboratory methods  aPhiladelphiabLea and Febigerc1956  a1190  aPublic health, Laboratory methods, Medical microbiology, Epidemiology, Diagnostic techniques  aClinical PathologybPathology -- Internal medicine  aGentzkow, C. J.