2
Published 1988
National Academy Press

3
Published 2000
National Academy Press

4
by Gebbie, Kristine M.
Published 2003
National Academies Press

6
by Qureshi, Nadeem
Published 2007
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Healthcare Research and Quality

7
by Cochrane, Rexmond Canning
Published 1978
National Academy of Sciences

8
Published 2004
U.S. National Library of Medicine

10
by Berkowitz, Edward D.
Published 1998
National Academy Press

12
by Berkowitz, Edward D.
Published 1999
National Academy Press

13
by Wessner, Charles W.
Published 2012
National Academies Press

14
Published 1995
National Academy Press

16
by Neel, James V.
Published 1991
National Academy Press

18
Published 2006
Genetic Alliance

19
Published 2006
La Alianza Genética

20
by Qureshi, Nadeem
Published 2009
Agency for Healthcare Research and Quality, Dept. of Health and Human Services