Attacks and relapses of sputum-smear-positive tuberculosis over seven years at three Transkei hospitals.
Shennan
D H
DH
Maarsingh
H
H
Davenport
B
B
D000328:Adult; D000350:Africa, Central; D006801:Humans; D009161:Mycobacterium / Q000302:isolation & purification; D012008:Recurrence; D012189:Retrospective Studies; D013183:Sputum / Q000382:microbiology*; D013997:Time Factors; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology*