Decline in the number of low-volume hospitals performing coronary angioplasty in California, 1989 to 1996.
Maynard
C
C
Health Services Research and Development, Department of Veterans Affairs, Seattle, Washington, USA. cmaynard@u.washington.edu
Every
N R
NR
Chapko
M K
MK
Ritchie
J L
JL
D015906:Angioplasty, Balloon, Coronary / Q000706:statistics & numerical data*; D002140:California / Q000453:epidemiology; D019538:Health Care Surveys; D006761:Hospitals / Q000706:statistics & numerical data*; D006801:Humans