Science

acid activity Agricultural Amer American animals anoxia antibiotic appointed assistant Association atomic Bacteriology benzylpenicillin Biol biological blood Bureau California cent chairman Chem chemical chemistry clinical colchicine collection College Committee compounds concentration culture curator Department director disease Division effect electron electron microscope Engineering experimental experiments factor field folic acid geology glucose grams growth Health hyaluronidase Illustrated industrial injection investigation Laboratory lignin material Medical Medicine ment method Museum National natural neptunium normal observed obtained Ohio State University organization papers penicillin physics physiology plant plutonium poliomyelitis prepared present problems production professor publication reaction recently References samples School Science scientific scientists Section serum Service silicate Smithsonian Institution social Society sodium soil solution species staff streptomycin streptothricin temperature thiouracil tion tissue United Univ University virus volume Washington Washington Square Philadelphia York