1
by Lohr, Kathleen N.
Published 1996
National Academy Press
...National Center for Biotechnology Information...

2
by Lohr, Kathleen N.
Published 1990
National Academy Press
...National Center for Biotechnology Information...

3
by Lohr, Kathleen N.
Published 1990
National Academy Press
...National Center for Biotechnology Information...

4
by Lux, Linda J., Boehlecke, Brian A., Lohr, Kathleen N.
Published 2004
Agency for Healthcare Research and Quality
...National Center for Biotechnology Information...