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van der Merwe PL, Kalis N, Schaaf HS, Nel EH, Gie RP.van der Merwe PL, et al. Among authors: schaaf hs.Pediatr Cardiol. 1995 Jul-Aug;16(4):172-5. doi: 10.1007/BF00794188.Pediatr Cardiol. 1995.PMID: 7567661
Beyers N, Gie RP, Schaaf HS, van Zyl S, Nel ED, Talent JM, Donald PR.Beyers N, et al. Among authors: schaaf hs.Tuber Lung Dis. 1994 Aug;75(4):260-5. doi: 10.1016/0962-8479(94)90130-9.Tuber Lung Dis. 1994.PMID: 7949071
Pretorius GS, Sirgel FA, Schaaf HS, van Helden PD, Victor TC.Pretorius GS, et al. Among authors: schaaf hs.S Afr Med J. 1996 Jan;86(1):50-5.S Afr Med J. 1996.PMID: 8685782
Schaaf HS, Nel ED, Beyers N, Gie RP, Scott F, Donald PR.Schaaf HS, et al.Tuber Lung Dis. 1996 Feb;77(1):43-6. doi: 10.1016/s0962-8479(96)90074-x.Tuber Lung Dis. 1996.PMID: 8733413
Schaaf HS, Botha P, Beyers N, Gie RP, Vermeulen HA, Groenewald P, Coetzee GJ, Donald PR.Schaaf HS, et al.Trop Med Int Health. 1996 Oct;1(5):718-22. doi: 10.1111/j.1365-3156.1996.tb00100.x.Trop Med Int Health. 1996.PMID: 8911459Free article.
Victor TC, Warren R, Butt JL, Jordaan AM, Felix JV, Venter A, Sirgel FA, Schaaf HS, Donald PR, Richardson M, Cynamon MH, Van Helden PD.Victor TC, et al. Among authors: schaaf hs.J Med Microbiol. 1997 Oct;46(10):847-57. doi: 10.1099/00222615-46-10-847.J Med Microbiol. 1997.PMID: 9364141
Beyers N, Gie RP, Schaaf HS, Van Zyl S, Talent JM, Nel ED, Donald PR.Beyers N, et al. Among authors: schaaf hs.Int J Tuberc Lung Dis. 1997 Feb;1(1):38-43.Int J Tuberc Lung Dis. 1997.PMID: 9441057
Schaaf HS, Geldenduys A, Gie RP, Cotton MF.Schaaf HS, et al.Pediatr Infect Dis J. 1998 Jul;17(7):599-604. doi: 10.1097/00006454-199807000-00005.Pediatr Infect Dis J. 1998.PMID: 9686725