title: [Analysis of quality control of sputum smears in 1989-2001 in Gansu].
authors.affiliation: Center for Clinical Laboratory, Gansu Province People's Hospital, Lanzhou 730000, China
authors.forename: Fa-mei
authors.initials: FM
authors.lastname: Qi
authors.forename: Xing-Run
authors.initials: XR
authors.lastname: Wang
authors.forename: Hong-yan
authors.initials: HY
authors.lastname: Si
authors.forename: Ning-wu
authors.initials: NW
authors.lastname: Li
mesh_terms: D002681:China; D006801:Humans; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification*; D011786:Quality Control; D013183:Sputum / Q000382:microbiology*; D014397:Tuberculosis, Pulmonary / Q000382:microbiology*