共 23 条
[1]
ALBERMAN E, 1980, LANCET, V1, P189
[2]
ALISTAIR GSP, 1981, PEDIATRICS, V68, P122
[3]
CHALMERS I., 1978, Hlth Trends, V10, P24
[4]
CHALMERS I, 1979, LANCET, V2, P1063
[6]
GUYER B, 1982, NEW ENGL J MED, V306, P1230
[7]
HEIN HA, 1981, PEDIATRICS, V68, P504
[10]
LUBCHENCO LO, 1972, J PEDIATR-US, V81, P814, DOI 10.1016/S0022-3476(72)80114-8