21
Published 1997
National Academy Press

22
by Chilingerian, Jon A.
Published 1997
National Academy Press

24
Published 2007
Office of the Surgeon General, U.S. Public Health Service, U.S. Dept. of Health and Human Services

25
by Hernandez, Lyla M.
Published 2009
National Academies Press

26
by Couch, Robert
Published 2008
University of Alberta/Capital Health Evidence-based Practice Center

28
Published 2010
Genetic Alliance

29
Published 2012
Genetic Alliance

30
Published 2012
Genetic Alliance

31
Published 2010
Genetic Alliance

32
by England, Mary Jane
Published 2012
National Academies Press

33
by Greiner, Ann
Published 2003
National Academies Press

34
Published 2011
National Academies Press

37
Published 2002
National Academy Press

40
Published 2014
The National Academies Press