AU  - Pletcher MJ, Vittinghoff E, Kalhan R, et al
TI  - ASsociation between marijuana exposure and pulmonary function over 20 years
PT  - JOUR
DP  - 2012
TA  - JAMA
pages = {173-181},
VI  - 307
IP  - 2
AID  - 10.1001/jama.2011.1961 [doi]
4100  - http://dx.doi.org/10.1001/jama.2011.1961
SO  - JAMA January 11, 2012 307(2):173