1.
Rocz Panstw Zakl Hig
; 29(1): 23-31, 1978.
Article
in Polish
| MEDLINE
| ID: mdl-653231
2.
Rocz Panstw Zakl Hig
; 24(4): 419-24, 1973.
Article
in Polish
| MEDLINE
| ID: mdl-4796841