(Q46420632)
Statements
1 reference
Follow-up tuberculosis prevalence survey of Transkei (English)
1 reference
Fourie PB
1 reference
Gatner EM
1 reference
Glatthaar E
1 reference
Kleeberg HH
1 reference
1 June 1980
1 reference
1 reference
61
1 reference
2
1 reference
71-79
1 reference