Health services research methods :
Black, N
Health services research methods : a guide to best practice - BMJ Publishing Group, 1998 - 268p
0727912755
Health services research
Systematic reviews
Outcome assessment
WX 20.
Health services research methods : a guide to best practice - BMJ Publishing Group, 1998 - 268p
0727912755
Health services research
Systematic reviews
Outcome assessment
WX 20.