共 48 条
[31]
OLDS DL, 1986, PEDIATRICS, V77, P16
[32]
OLDS DL, 1986, PEDIATRICS, V78, P65
[33]
POWELL C, 1989, Pediatrics, V84, P157
[36]
ROBERTS RN, 1988, FAMILY SUPPORT HOME
[37]
ROBERTS RN, 1989, UNPUB NATIONAL HOME
[39]
WAGNER M, 1976, DANISH NATIONAL CHIL
[40]
WASIK BH, 1989, UNPUB NATIONAL HOME