共 18 条
[3]
BROWNLEE RC, 1969, J PEDIATR, V75, P686
[4]
DESAINTONGE DMC, 1982, BRIT MED J, V284, P1078
[6]
GREEN SM, 1993, PEDIATRICS, V91, P23
[8]
IF NOTHING GOES WRONG, IS EVERYTHING ALL RIGHT - INTERPRETING ZERO NUMERATORS
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1983, 249 (13)
:1743-1745
[10]
Howie V M, 1993, Pediatr Rev, V14, P320, DOI 10.1542/pir.14-8-320