共 6 条
[2]
FLORA OF THE UMBILICAL STUMP - 2,479 CULTURES
[J].
JOURNAL OF PEDIATRICS,
1958, 53 (05)
:538-546
[3]
JOHNSTON RB, 1963, PEDIATRICS, V32, P1097
[4]
LIPSITZ PJ, 1960, PEDIATRICS, V26, P657
[5]
THOMPSON SG, 1962, TECHNIQUE EXCHANGE T, P24
[6]
WHEELER WE, 1962, TECHNIQUES EXCHAN S1, P24