TY  - JOUR
T1  - STandardization needed.
Y1  - 1999/07/07
N1  - 10.1001/jama.282.1.10
JO  - JAMA
SP  - 10L
EP  - 10L
VL  - 282
IS  - 1
N2  - 
SN  - 0098-7484
M3  - doi: 10.1001/jama.282.1.10
UR  - http://dx.doi.org/10.1001/jama.282.1.10
ER  -