1
Published 1996
National Academy Press
...National Center for Biotechnology Information...

2
by Potts, John T.
Published 1997
National Aacademy Press
...National Center for Biotechnology Information...

3
by Hanna, Kathi E.
Published 1991
National Academy Press
...National Center for Biotechnology Information...

4
by Bulger, Ruth Ellen
Published 1995
National Academy Press
...National Center for Biotechnology Information...

5
by Mastroianni, Anna C.
Published 1994
National Academy Press
...National Center for Biotechnology Information...