RT Journal Article SR Electronic T1 How many cath labs do we need? JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 827 OP 829 DO 10.1136/heart.89.8.827 VO 89 IS 8 A1 D Hackett YR 2003 UL http://heart.bmj.com/content/89/8/827.abstract AB