共 23 条
[1]
*AM SOC GASTR END, 1992, APPR US GASTR END
[2]
*AM SOC GASTR END, 1999, GASTROINTEST ENDOSC, V45, P842
[8]
Improving the quality of care .3.
[J].
NEW ENGLAND JOURNAL OF MEDICINE,
1996, 335 (14)
:1060-1063