共 8 条
[1]
Altman DG, 1996, BRIT MED J, V313, P570
[2]
[Anonymous], CLIN TRIALS PRACTICA
[4]
*CDCP, DEV PROT GUID CDC IN
[5]
HAYNES RB, 2005, CLIN EPIDEMIOLOGY CL
[6]
*HIV PREV TRIALS N, HPTN PROT TEMPL
[7]
*ICH, 2006, HARM TRIP GUID GUID
[8]
Closing the digital divide - Remarkable progress is being made
[J].
BRITISH MEDICAL JOURNAL,
2003, 326 (7383)
:238-238