共 15 条
[2]
BIORKLUND A, 1975, LANCET, V1, P1135
[3]
Check W A, 1980, JAMA, V244, P2243
[4]
SUDDEN DECLINE IN AMPICILLIN RESISTANCE IN SALMONELLA-TYPHIMURIUM
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1980, 243 (05)
:439-442
[6]
GRIFFITHS W, 1978, J OKLA STATE MED ASS, V71, P3
[9]
LERMAN SJ, 1979, PEDIATRICS, V64, P287