1.
Rocz Panstw Zakl Hig
; 29(1): 15-22, 1978.
Article
in Polish
| MEDLINE
| ID: mdl-653230
2.
Rocz Panstw Zakl Hig
; 28(6): 577-86, 1977.
Article
in Polish
| MEDLINE
| ID: mdl-347557