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- Publication:
- [Portugal] : Direcção-Geral de Saúde, Serviço de Educação Sanitária, [19--]
- Subject(s):
- Water Purification
Disease Transmission, Infectious -- prevention & control
Hygiene
Sanitation
- Publication:
- Istanbul : Türkiye Cumhuriyeti, Sıhhat ve İçtimaî Muavenet Vekâleti, [19--]
- Subject(s):
- Typhoid Fever -- transmission
Typhoid Fever -- prevention & control
Sanitation
Hygiene
Intestines
- Publication:
- [Senegal] : Ministère de la santé publique, [19--]
- Subject(s):
- Hygiene
Sanitation
Housekeeping
Anniversaries and Special Events
- Author(s):
- Trask, John W., 1877-1951, author
Cuzzort, Belva, author
- Publication:
- Boston : D.C. Heath and Company, [1923]
- Subject(s):
- Physiological Phenomena
Hygiene
Sanitation
- Author(s):
- Ritchie, John W. (John Woodside), 1871-1943, author
- Publication:
- Yonkers-on-Hudson : World Book Company, 1923
- Subject(s):
- Hygiene
Sanitation
Physiological Phenomena
- Publication:
- [Turkey] : T.C. Sağlık Bakanlığı, Ana Çocuk Sağlığı ve Aile Planlaması Genel Müdürlügü, [19--]
- Subject(s):
- Diarrhea -- prevention & control
Hygiene
Sanitation