TY  - BOOK
AU  - David, Guy
AU  - Richards Seth
AU  - Markowitz Sara
AU  - National Bureau Of Economic Research
TI  - The Effects of Pharmaceutical Marketing and Promotion on Adv
PY  - 2009///
CY  - Cambridge
PB  - NBER
UR  - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2009/E311.pdf
ER  -