The Spanish trial:  are national randomized trials a necessary evil?
Betriu
A
A
Hospital Clinic Barcelona, Spain.
Serra
A
A
Masotti
M
M
Delcán
J L
JL
García
E
E
Colman
T
T
Zueco
J
J
Fernández-Avilés
F
F
Alonso
J
J
Calabuig
J
J
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