共 7 条
[1]
ASHER R, 1951, LANCET, V339, P341
[2]
LEWIS JM, 1966, HOSP COMMUNITY PSYCH, V17, P28
[3]
MCGUIRE TL, 1989, PEDIATRICS, V83, P289
[5]
MEADOW R, 1977, LANCET, V2, P343
[6]
RICHARDSON AF, 1987, AFP FAMILY PRACTICE, V36, P119