No difference in between-country variability in use of newly approved orphan and non- orphan medicinal products - a pilot study

por Stolk, Pieter, Heemstra, Harald E, Leufkens, Hubert GM, Bloechl-Daum, Brigitte, Heerdink, Eibert R
Publicado 2009

Predictors of orphan drug approval in the European Union

por Heemstra, Harald E., de Vrueh, Remco L., van Weely, Sonja, Büller, Hans A., Leufkens, Hubert G. M.
Publicado 2008