Severity of rheumatoid arthritis in Portuguese patients: comment on the article by Drosos et al and on the letter by Ronda et al.
Fonseca
J E
JE
Canhão
H
H
Costa Dias
F
F
Leandro
M J
MJ
Resende
C
C
Teixeira da Costa
J C
JC
Pereira da Silva
J A
JA
Viana Queiroz
M
M
D001172:Arthritis, Rheumatoid / Q000208:ethnology*; D006801:Humans; D011174:Portugal; D012720:Severity of Illness Index