Meier, Bernhard (2001). «The First Patient to Undergo Coronary Angioplasty — 23-Year Follow-up». New England Journal of Medicine344 (2): 144–145. doi:10.1056/NEJM200101113440217. PMID11188421.
Meier, Bernhard (2001). «The First Patient to Undergo Coronary Angioplasty — 23-Year Follow-up». New England Journal of Medicine344 (2): 144–145. doi:10.1056/NEJM200101113440217. PMID11188421.