TY - JOUR T1 - The evolving relationship between the physician and the scientist in the 20th centuryaddressing the needs of basic and clinical research: Analysis of graduates of the university of pennsylvania md-phd programbridging the worlds of medicine and science: an interview with bert i. shapiro, mdannouncement1999 john conley ethics essay contest for medical students Y1 - 1999/01/06 N1 - 10.1001/jama.281.1.95 JO - JAMA SP - 95 EP - 96 VL - 281 IS - 1 N2 - SN - 0098-7484 M3 - doi: 10.1001/jama.281.1.95 UR - http://dx.doi.org/10.1001/jama.281.1.95 ER -