SOCIAL FACTORS AFFECTING EMOTIONALITY AND RESISTANCE TO DISEASE IN ANIMALS. V. EARLY SEPARATION FROM THE MOTHER AND RESPONSE TO A TRANSPLANTED TUMOR IN  THE RAT.
D000818:Animals; D001522:Behavior, Animal; D002279:Carcinoma 256, Walker; D004194:Disease; D009026:Mortality; D009035:Mothers; D009368:Neoplasm Transplantation; D009369:Neoplasms; D009374:Neoplasms, Experimental; D051381:Rats; D012106:Research; D014886:Weaning
BEHAVIOR, ANIMAL; CARCINOMA 256, WALKER; DISEASE; EXPERIMENTAL LAB STUDY; MORTALITY; NEOPLASM TRANSPLANTATION; NEOPLASMS, EXPERIMENTAL; RATS; WEANING