AU  - Bates E
TI  - ROutine procedure
PT  - JOUR
DP  - 2013
TA  - JAMA
pages = {639},
VI  - 309
IP  - 7
AID  - 10.1001/jama.2012.30393 [doi]
4100  - http://dx.doi.org/10.1001/jama.2012.30393
SO  - JAMA February 20, 2013 309(7):639