title: [An environmental and hygienic survey on the long term utilized bioclean room for leukemic patients (author's transl)].
mesh_terms: D000391:Air Microbiology; D001419:Bacteria / Q000302:isolation & purification; D004780:Environment, Controlled; D006801:Humans; D006920:Hygiene; D007938:Leukemia; D010357:Patient Isolators; D013997:Time Factors