Formats: Still image / Subjects: Sanitation and Water Purification / Languages: Portuguese - Digital Collections - National Library of Medicine Search Results

Start Over Formats Still image ✖ Subjects Sanitation ✖ Subjects Water Purification ✖ Languages Portuguese ✖

1. Lute contra a doença: respeite estas normas de higiene

Publication:: [Portugal] : Direcção-Geral de Saúde, Serviço de Educação Sanitária, [19--]
Subject(s):: Water Purification
Disease Transmission, Infectious -- prevention & control
Hygiene
Sanitation