000 00891 a2200277 4500
005 20250513014322.0
264 0 _c19810720
008 198107s 0 0 eng d
022 _a0256-9574
040 _aNLM
_beng
_cNLM
100 1 _aRubinstein, E
245 0 0 _aAge-specific risk of tuberculosis infection.
_h[electronic resource]
260 _bSouth African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde
_cJun 1981
300 _a848-9 p.
_bdigital
500 _aPublication Type: Letter
650 0 4 _aAdolescent
650 0 4 _aAge Factors
650 0 4 _aChild
650 0 4 _aChild, Preschool
650 0 4 _aHumans
650 0 4 _aRisk
650 0 4 _aSouth Africa
650 0 4 _aTuberculosis, Pulmonary
_xepidemiology
700 1 _aGatner, E M
773 0 _tSouth African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde
_gvol. 59
_gno. 24
_gp. 848-9
999 _c7232827
_d7232827