TY  - GEN
AU  - Walker, Hugh D.
TI  - Market power and price levels in the ethical drug industry. / 
PY  - 1971///
CY  - bloomingtin, london
PB  - Indiana University Press
KW  - DROGAS
KW  - PRECIOS
KW  - INDUSTRIA FARMACEUTICA
KW  - ESTADOS UNIDOS
ER  -