共 7 条
[1]
*AM PED SOC SOC PE, 1999, PEDIATR RES, V45, P613
[3]
Hoppu K, 1999, PEDIATRICS, V104, P623
[4]
*MIN HLTH WELF SPO, 1995, MED RES INV INC PERS
[5]
Normand C, 2000, ARCH DIS CHILD, V82, P177
[6]
Smyth RL, 1999, LANCET, V354, pS21
[7]
World Medical Association Declaration of Helsinki, 2000, ETH PRINC MED RES IN