title: The economics and costs of patient referral protocols for cardiac surgery.
authors.affiliation: Cirurgia Cardiotorácica, Centro Hospitalar e Universitáriode Coimbra, Coimbra, Portugal. Electronic address: antunes.cct.chuc@sapo.pt.
authors.forename: Manuel J
authors.initials: MJ
authors.lastname: Antunes
mesh_terms: D006348:Cardiac Surgical Procedures; D006801:Humans; D012017:Referral and Consultation