机构:
UCL Royal Free & Univ Coll Med Sch, Dept Primary Care & Populat Sci, Open Learning Unit, London N19 3UA, EnglandUCL Royal Free & Univ Coll Med Sch, Dept Primary Care & Populat Sci, Open Learning Unit, London N19 3UA, England
Greenhalgh, T
[J].
BRITISH MEDICAL JOURNAL,
2001,
322
(7277):
: 40
-
44
机构:
UCL Royal Free & Univ Coll Med Sch, Dept Primary Care & Populat Sci, Open Learning Unit, London N19 3UA, EnglandUCL Royal Free & Univ Coll Med Sch, Dept Primary Care & Populat Sci, Open Learning Unit, London N19 3UA, England
Greenhalgh, T
[J].
BRITISH MEDICAL JOURNAL,
2001,
322
(7277):
: 40
-
44