PT - JOURNAL ARTICLE AU - M Calabresi TI - Left ventricular apical thin point. AID - 10.1136/hrt.40.7.823 DP - 1978 Jul 01 TA - British Heart Journal PG - 823 VI - 40 IP - 7 4099 - http://heart.bmj.com/content/40/7/823.short 4100 - http://heart.bmj.com/content/40/7/823.full SO - Heart1978 Jul 01; 40