TY  - JOUR
T1  - DUsk sky clouds, berwyn, pennsylvania
Y1  - 2012/03/12
N1  - 10.1001/archinternmed.2011.1349
JO  - Archives of Internal Medicine
SP  - 430
EP  - 430
VL  - 172
IS  - 5
N2  - 
Courtesy of: Humberto Guerra-Garcia, MD, MPH, Community Plan of Delaware, UnitedHealthcare, Berwyn, Pennsylvania.

SN  - 0003-9926
M3  - doi: 10.1001/archinternmed.2011.1349
UR  - http://dx.doi.org/10.1001/archinternmed.2011.1349
ER  -