Portela, MariaThanssoulis, E.Greveney, M.2014-06-052014-06-052011PORTELA, Maria; THANSSOULIS, E.; GRAVENEY, M. - Comparative analysis of referral and drug costs at the level of specialty: General medicine and geriatrics. IN European Workshop on Efficiency and Productivity Analysis, XII , Verona, Italy, 22-24 June, 2011. Ewepa 2011 - XII European Workshop on Efficiency and Productivity Analysis - Verona – Italy- Book of abstracts. p. 195-196http://hdl.handle.net/10400.14/14485engComparative analysis of referral and drug costs at the level of specialty: General medicine and geriatricsconference object