[An unresolved question].
Espinàs
J
J
Vilaseca
J
J
Castro
J A
JA
Ibáñez
F
F
Lorenzo
A
A
Alonso
R
R
Corredera
A
A
Daza
P
P
Eirea
C
C
Fluixá
C
C
García
G
G
González
M J
MJ
Martín-Carrillo
P
P
Martínez
M
M
Olmos
O
O
Pérez
J C
JC
Puig
B
B
Ramos
D
D
Sempere
G
G
D006801:Humans; D010353:Patient Education as Topic / Q000379:methods* / Q000592:standards