| case-control study of risk factors for penicillium marneffei infection in human immunodeficiency virus-infected patients in northern thailand. | a case-control study was done in chiang mai, thailand, comparing risk-related behavior and exposures in 80 incident cases of disseminated penicillium marneffei infection in patients with aids and 160 control patients with aids who did not have p. marneffei infection. all subjects were admitted to chiang mai university hospital between december 1993 and october 1995. cases were younger than controls (16-30 years vs. > 30 years of age; odds ratio [or] = 2.22; 95% ci, 1.22-4.07). patients with a re ... | 1997 | 9195061 |