共 4 条
[1]
BUTZ RO, 1968, PEDIATRICS, V42, P336
[3]
KLAUS MH, 1979, CARE HIGH RISK NEONA, P205
[4]
VARIATION IN SUBGLOTTIC SIZE IN CHILDREN
[J].
PROCEEDINGS OF THE ROYAL SOCIETY OF MEDICINE-LONDON,
1976, 69 (11)
:793-795