[Experimetal study of pulmonary emphysema and lung tumor (1)].
D000818:Animals; D005260:Female; D008175:Lung Neoplasms / Q000139:chemically induced*; D009605:Nitrosomethylurethane; D010206:Papain; D011656:Pulmonary Emphysema / Q000139:chemically induced*; D051381:Rats; D014520:Urethane / Q000031:analogs & derivatives*
D014520:Urethane; D009605:Nitrosomethylurethane; D010206:Papain