RT Journal
T1 CIty sunlight
JF JAMA
JO JAMA
YR 1999
FD June 9
VO 281
IS 22
SP 2067
OP 2067
DO 10.1001/jama.281.22.2067
UL http://dx.doi.org/10.1001/jama.281.22.2067
AB