title: [Regarding the article: Postoperative recovery of blood in patients undergoing total knee or hip arthroplasty].
authors.affiliation: Serviço de Imuno-hemoterapia, Centro Hospitalar de São João, EPE. Porto. Portugal. Faculdade de Medicina da Universidade do Porto. Porto. Portugal. fernando.fmf66@gmail.com.
authors.forename: Fernando
authors.initials: F
authors.lastname: Araújo
mesh_terms: D019644:Arthroplasty, Replacement, Hip; D019645:Arthroplasty, Replacement, Knee; D006801:Humans; D057725:Operative Blood Salvage; D011182:Postoperative Care / Q000379:methods*