共 38 条
[31]
SCHWARTZ GJ, 1976, PEDIATRICS, V58, P259
[34]
Snedecor GW, 1967, STATISTICAL METHODS, P381
[35]
WAGNER JG, 1975, FUNDAMENTALS CLIN PH, P239
[37]
WILLING PG, 1977, ANTIMICROB AG CHEMOT, V12, P328