TY  - JOUR
AU  - Burnap, Don
TI  - Patterns of drug use have varied throughout history
JA  - Nature
PY  - 2009/01/29/print
VL  - 457
IS  - 7229
SP  - 533
EP  - 533
PB  - Nature Publishing Group
SN  - 0028-0836
UR  - http://dx.doi.org/10.1038/457533b
M3  - 10.1038/457533b
N1  - 10.1038/457533b
ER  -