title: [Sessions of the 49th Congress of the Japanese Society for Hygiene. Abstracts].
mesh_terms: D000818:Animals; D003226:Congresses as Topic; D004782:Environmental Health; D004787:Environmental Pollution; D004813:Epidemiology; D006801:Humans; D006920:Hygiene; D007564:Japan; D010827:Physiology; D012955:Societies, Medical