1
Published 1993
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

2
Published 1992
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

3
Published 1994
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

4
Published 1994
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

5
Published 1994
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

6
Published 1994
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

7
Published 1995
Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

8
Published 1995
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

9
Published 1995
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

10
Published 1995
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

11
Published 1996
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

12
Published 1996
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

13
Published 1994
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

14
Published 1995
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

15
Published 1992
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

16
Published 1994
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

17
Published 1996
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

18
Published 1996
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

19
Published 1994
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research

20
Published 1995
U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research