共 17 条
[1]
Boudville I. C., 1997, Annals Academy of Medicine Singapore, V26, P549
[2]
*CDCP, 1993, MMWR-MORBID MORTAL W, V41, P1
[3]
Chan R. K. W., 1993, Singapore Medical Journal, V34, P20
[4]
CHEW S K, 1990, SMJ Singapore Medical Journal, V31, P587
[5]
*COMM DIS CTR, 1995, COMM DIS SURV REP 19
[6]
*COMM DIS CTR, 1997, COMM DIS SURV REP 19
[7]
*COMM DIS CTR, 1996, COMM DIS SURV REP 19
[8]
*COMM DIS CTR, 1994, COMM DIS SURV REP 19
[9]
*DEP ED DIS CONTR, 1997, STAT REP HIV AIDS SI
[10]
Heng B H, 1992, Ann Acad Med Singap, V21, P723