(Q71808904)
Statements
Folic acid and cyanocobalamin levels in serum and erythrocytes during low-dose methotrexate therapy of rheumatoid arthritis and psoriatic arthritis patients (English)
B. F. Leeb
G. Witzmann
E. Ogris
A. Studnicka-Benke
I. Andel
H. Schweitzer