共 19 条
[1]
CEUTAS RA, 1976, NEW ENGL J MED, V295, P297
[3]
EMARA SH, 1976, S AFR MED J, V50, P1792
[4]
FARRELL PM, 1975, AM REV RESPIR DIS, V111, P657
[5]
FITZHARDINGE PM, 1974, PEDIATRICS, V53, P877
[6]
IVEMARK B, 1970, J PATHOL, V101, P33
[7]
JOHNSON BC, 1960, VITAM HORM, V18, P457
[8]
KOMINS JI, 1976, OBSTET GYNECOL, V47, P381
[9]
LIGGINS GC, 1972, PEDIATRICS, V50, P515
[10]
LIPSHITZ J, 1976, S AFR MED J, V50, P1973