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Occup Health Saf
; 46(5): 16-8, 1977.
Article
in English
| MEDLINE
| ID: mdl-198708
2.
Cesk Otolaryngol
; 23(6): 334-8, 1974 Dec.
Article
in Slovak
| MEDLINE
| ID: mdl-4442168
3.
Bratisl Lek Listy
; 61(2): 211-4, 1974.
Article
in Slovak
| MEDLINE
| ID: mdl-4826911