21. Cólera: veja como evitá-la Publication: [São Paulo] : Comissão Estadual de Prevenção e Combate ao Cólera, [19--] Subject(s): Cholera -- prevention & controlFood Handling -- methodsHand DisinfectionWater Purification
22. Lavez les mains avant et après chaque consultation: pour éviter les contaminations = Wash your hands before and after each consultation : to avoid transmission of diseases Publication: [Guinea] : Ministère de la santé publique, [19--?] Subject(s): Infectious Disease Transmission, Professional-to-Patient -- prevention & controlHand Disinfection