[ON SOME PROBLEMS OF COR PULMONALE].
D002908:Chronic Disease; D004562:Electrocardiography; D005853:Geriatrics; D006801:Humans; D006976:Hypertension, Pulmonary; D009790:Occupations; D011044:Poland; D011660:Pulmonary Heart Disease; D013223:Statistics as Topic
ELECTROCARDIOGRAPHY; GERIATRICS; OCCUPATIONS; POLAND; PULMONARY HEART DISEASE; STATISTICS
O NIEKT'ORYCH PROBLEMACH ZESPOLU PLUCNO-SERCOWEGO.