PT  - JOURNAL ARTICLE
ED  - ,
TI  - Electrocardiography
DP  - 1965 Mar 01
TA  - The Journal of the College of General Practitioners
PG  - 198--199
VI  - 9
IP  - 2
4099  - http://bjgp.org/content/9/2/198.2.short
4100  - http://bjgp.org/content/9/2/198.2.full
SO  - J Coll Gen Pract1965 Mar 01; 9