title: The Spanish trial:  are national randomized trials a necessary evil?
authors.affiliation: Hospital Clinic Barcelona, Spain.
authors.forename: A
authors.initials: A
authors.lastname: Betriu
authors.forename: A
authors.initials: A
authors.lastname: Serra
authors.forename: M
authors.initials: M
authors.lastname: Masotti
authors.forename: J L
authors.initials: JL
authors.lastname: Delcán
authors.forename: E
authors.initials: E
authors.lastname: García
authors.forename: T
authors.initials: T
authors.lastname: Colman
authors.forename: J
authors.initials: J
authors.lastname: Zueco
authors.forename: F
authors.initials: F
authors.lastname: Fernández-Avilés
authors.forename: J
authors.initials: J
authors.lastname: Alonso
authors.forename: J
authors.initials: J
authors.lastname: Calabuig
mesh_terms: D000328:Adult; D000368:Aged; D015906:Angioplasty, Balloon, Coronary / Q000009:adverse effects / Q000379:methods* / Q000401:mortality; D003327:Coronary Disease / Q000628:therapy*; D004992:Ethics, Medical; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012008:Recurrence; D012307:Risk Factors; D013030:Spain; D015607:Stents / Q000009:adverse effects