1
by Chou, Roger, Helfand, Mark, Peterson, Kim, Dana, Tracy
Published 2006
Agency for Healthcare Research and Quality (US)
Subjects: ...Osteoarthritis / drug therapy...

2
by Nelson, Heidi D., Helfand, Mark
Published 2002
Agency for Healthcare Research and Quality (US)
Subjects: ...Osteoporosis, Postmenopausal / drug therapy...

3
by Helfand, Mark
Published 2004
Agency for Healthcare Research and Quality (US)
Subjects: ...Thyroid Diseases / therapy...