Huskamp, Haiden A.; Donohue, Julie M.; Koss, Catherine; … - In: PharmacoEconomics 26 (2008) 7, pp. 603-616
affected by generic entry. However, little is known about how newer strategies to extend patent life, including product … examine the relationships among promotional expenditures, generic entry, reformulation entry and new indication approval … and total quarterly promotional expenditures as a function of the timing of generic entry, entry of new product …