共 4 条
[1]
CO-AMOXICLAV IN RECURRENT ACUTE OTITIS-MEDIA - PLACEBO CONTROLLED-STUDY
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1991, 303 (6815)
:1450-1452
[2]
GLASSCOCK ME, 1990, SURGERY EAR, P170
[3]
SCHLESSELMAN J, 1982, CASE CONTROL STUDIES, P175
[4]
SIEGEL S, 1956, NONPARAMETRIC STATIS