TY - JOUR T1 - Prinzmetal angina: echocardiographic captured and angiographically proven without provocative testing JF - BMJ Case Reports JO - BMJ Case Reports DO - 10.1136/bcr-2020-236353 VL - 13 IS - 9 SP - e236353 AU - Yashwant Agrawal AU - Pramod Kumar Ponna AU - Abdul R Halabi AU - Feras Aloka Y1 - 2020/09/01 UR - http://casereports.bmj.com/content/13/9/e236353.abstract N2 - ER -