title: Cost-Effectiveness of Celecoxib and Non Selective Non Steroidal Anti-Inflammatory Drug (Nsaid) Therapy for the Treatment of Osteoarthritis in Spain: A Decision-Tree Model.
authors.affiliation: Pfizer, S. L. U, Alcobendas/Madrid, Spain.
authors.forename: Lossada Juste A
authors.initials: LJ
authors.lastname: De
authors.affiliation: Pfizer S. L. U., Alcobendas/Madrid, Spain.
authors.forename: Gutiérrez J
authors.initials: GJ
authors.lastname: Rejas
authors.affiliation: Hospital General Universitario Gregorio Marañón, Madrid, Spain.
authors.forename: Álvaro Á
authors.initials: ÁÁ
authors.lastname: Oteo