TY - JOUR T1 - Working as a cardiologist in the USA. JF - Heart JO - Heart SP - 194 LP - 197 DO - 10.1136/hrt.77.3.194 VL - 77 IS - 3 AU - N. G. Uren AU - N. A. Chronos Y1 - 1997/03/01 UR - http://heart.bmj.com/content/77/3/194.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -