1.
Pol Tyg Lek
; 35(23): 871-3, 1980 Jun 09.
Article
in Polish
| MEDLINE
| ID: mdl-7413508
Subject(s)
Myocardial Infarction/epidemiology , Adult , Age Factors , Aged , Female , Humans , Male , Middle Aged , Poland , Sex Ratio , Urban Health
2.
Pol Tyg Lek
; 35(25): 937-40, 1980 Jun 23.
Article
in Polish
| MEDLINE
| ID: mdl-7422581