21
by Garrison, Howard H.
Published 1986
National Academy Press

22
by Coggeshall, Porter E.
Published 1984
National Academy Press

23
Published 2003
U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institutes of Health

24
by Rao, Ghanta N.
Published 2001
United States Department of Health and Human Services, Public Health Service, National Institutes of Health

25
by Rao, Ghanta N.
Published 2002
United States Department of Health and Human Services, Public Health Service, National Institutes of Health

26
by Rao, Ghanta N.
Published 2002
U.S. Department of Health and Human Services, Public Health Service, National Institutes of Health

27
by Rao, Ghanta N.
Published 2003
U.S. Department of Health and Human Services, Public Health Service, National Institutes of Health

28
Published 1990
Gardiner-Caldwell SynerMed

29
Published 1989
U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, Office of Medical Applications of Research

30
Published 1989
U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, Office of Medical Applications of Research

31
Published 1980
The Institutes, National Institutes Of Health

32
Published 1990
Gardiner-Caldwell SynerMed

33
by Rao, Ghanta N.
Published 2000
United States Department of Health and Human Services, Public Health Service, National Institutes of Health

34
by Rao, Ghanta N.
Published 1999
United States Department of Health and Human Services, Public Health Service, National Institutes of Health

35
by Garrison, Howard H.
Published 1986
National Academy Press

36
Published 1971
National Academy of Sciences

37
Published 1968
National Academy of Sciences

38
by Coggeshall, Porter E.
Published 1984
National Academy Press

39
Published 2023
National Academies Press

40
by Rao, Ghanta N.
Published 2002
United States Department of Health and Human Services, Public Health Service, National Institutes of Health