Subjects: Saliva and Sputum / Titles: Pljuj samo v pljuvalnik - Digital Collections - National Library of Medicine Search Results

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1. Pljuj samo v pljuvalnik

Publication:: [Slovenia] : Ministrstvo za ljudsko zdravstvo, [194-?]
Subject(s):: Saliva
Disease Transmission, Infectious -- prevention & control
Hygiene
Sputum