[Reflections on practices for early cancer diagnosis in Spain].
Castells
Xavier
X
Servei d'Avaluació i Epidemiologia Clínica, Hospital del Mar-IMIM, Barcelona, España. xcastells@imas.imim.es
Sala
Maria
M
Salas
Dolores
D
Ascunce
Nieves
N
Zubizarreta
Raquel
R
Casamitjana
Montserrat
M
D055088:Early Detection of Cancer; D006801:Humans; D008403:Mass Screening / Q000458:organization & administration / Q000592:standards; D013030:Spain