共 9 条
[2]
DEVER A, 1989, EPIDEMIOLOGY HLTH SE
[4]
*MIN PUBL HLTH, 2001, NAT HLTH STAT UR 200
[5]
*OPS OMS, 2002, 13016 OPSOMS
[6]
*PER ROSS HOSP, 1997, UNPUB DAT COMP PER S
[7]
*WHO, 1997, COV MAT CAR LIST AV
[8]
*WHO UNICEF, WHOFRHMSM9611
[9]
*WHO WORLD BANK, 1998, MAT HLTH AROUND WORL