H. Simon Schaaf
发表
R. Gie,
P. V. van Helden,
T. Victor,
2000,
The Pediatric infectious disease journal.
R. Gie,
P. Donald,
N. Beyers,
2006,
Acta paediatrica.
D. Labadarios,
P. Donald,
M. Kidd,
2012,
Paediatrics and international child health.
W. El-Sadr,
G. Hussey,
P. Donald,
2005,
Archives of Disease in Childhood.
R. Gie,
P. Donald,
N. Beyers,
2006
.