TY  - BOOK
AU  - Cockburn, Iain M
AU  - Lanjouw, Jean O
AU  - Schankerman, Mark 
ED  - National Bureau of Economic Research
TI  - Patents and the global diffusion of new drugs
T2  - NBER Working Paper
PY  - 2014///
CY  - Cambridge
PB  - NBER
KW  - NBERWP 20492
KW  - E12947.pdf
UR  - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2014/E12947.pdf
ER  -