共 7 条
[2]
CHETTY R, 1991, S AFR J SURG, V29, P158
[3]
GURSES N, 1986, Z KINDERCHIR, V41, P362
[4]
RITCHIE AC, 1990, BOYDS TXB PATHOLOGY, P539
[6]
VANRENSBURG PS, 1990, S AFR J SURG, V26, P157
[7]
WELCH KJ, 1986, YB MED PUBLISHERSN, P548