41
Published 1998
NCBI

42
Published 2002
NCBI

43
by Carrington, Mary
Published 2003
National Center for Biotechnology Information, National Library of Medicine

44
Published 1991
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health

45
by Dean, Laura
Published 2005
NCBI

46
by Breman, Joel G.
Published 2004
American Society of Tropical Medicine and Hygiene

47
Published 2004
NCBI

48
Published 2008
National Center for Biotechnology Information

49
Published 2005
National Center for Biotechnology Information

50
Published 2007
National Center for Biotechnology Information (US)

51
by Riegert-Johnson, Douglas
Published 2009
NCBI

52
by Kamkin, A. G.
Published 2006
National Library of Medicine, NCBI

53
Published 2006
National Library of Medicine, NCBI

54
by Rohrmann, G. F.
Published 2008
NCBI

55
by Breman, Joel G.
Published 2008
American Society of Tropical Medicine and Hygiene

56
by Breman, Joel G.
Published 2001
American Society of Tropical Medicine and Hygiene

57
Published 2001
NCBI]

58
by Vakatov, Denis
Published 2003
National Center for Biotechnology Information, National Library of Medicine, NIH

59
Published 2004
National Center for Biotechnology Information

60
by Dean, Laura
Published 2007
NLM, NCBI