PT - JOURNAL ARTICLE AU - A. W. McCracken TI - COR BILOCULARE AID - 10.1136/hrt.24.1.126 DP - 1962 Jan 01 TA - British Heart Journal PG - 126--128 VI - 24 IP - 1 4099 - http://heart.bmj.com/content/24/1/126.short 4100 - http://heart.bmj.com/content/24/1/126.full SO - Heart1962 Jan 01; 24