共 157 条
[3]
ALPAN G, 1995, LUNG BIOL HLTH DIS S, P531
[6]
[Anonymous], 1994, NIH Consens Statement, V12, P1
[7]
[Anonymous], 1996, Pediatrics, V97, P1
[8]
[Anonymous], COCHRANE DATABASE SY, DOI DOI 10.1002/14651858.CD001079
[9]
[Anonymous], PEDIATRICS
[10]
[Anonymous], 2000, Cochrane Database Syst Rev, DOI [10.1002/14651858.CD001149, DOI 10.1002/14651858.CD001149]