| the epidemiology of opportunist mycobacterial infections in wales, 1952--1978. | the incidence of infections caused by opportunist mycobacteria in wales during the years 1952--1978 was derived from the records of the mycobacterium reference unit in cardiff. mycobacterium kansasil gave rise to 154 pulmonary and two nonpulmonary infections. most of these patients were middle-aged men, approximately half of whom had pneumoconiosis or occupational exposure to dust. organisms of the mycobacterium avium-intracellulare-scrofulaceum complex caused pulmonary disease in 44 subjects an ... | 1981 | 7339797 |