共 34 条
[1]
*AM HEART ASS, 1997, PED ADV LIF SUPP 199
[2]
[Anonymous], 2000, T R SOC TROP MED S1, V94, pS1
[4]
BRADLEY D, 2003, ILLNESS ENGLAND WALE, P48
[6]
Crawley J, 1996, QJM-INT J MED, V89, P591
[9]
A new system for grading recommendations in evidence based guidelines
[J].
BRITISH MEDICAL JOURNAL,
2001, 323 (7308)
:334-336