Maynard C, Every NR, Chapko MK, Ritchie JL. Decline in the number of low-volume hospitals performing coronary angioplasty in California, 1989 to 1996. Am J Cardiol. 2000 Apr 15;85(8):1026-7.
Maynard C, Every NR, Chapko MK, Ritchie JL. Decline in the number of low-volume hospitals performing coronary angioplasty in California, 1989 to 1996. Am J Cardiol. 2000 Apr 15;85(8):1026-7.