AU  - Choudhry NK, Etchells EE
TI  - DOes this patient have aortic regurgitation?
PT  - JOUR
DP  - 1999
TA  - JAMA
pages = {2231-2238},
VI  - 281
IP  - 23
AID  - 10.1001/jama.281.23.2231 [doi]
4100  - http://dx.doi.org/10.1001/jama.281.23.2231
SO  - JAMA June 16, 1999 281(23):2231