Changes in the marketing of methotrexate.
Sibley
J T
JT
Blocka
K L
KL
D001172:Arthritis, Rheumatoid / Q000188:drug therapy*; D004349:Drug Packaging / Q000191:economics / Q000379:methods / Q000639:trends*; D006801:Humans; D008389:Marketing of Health Services; D008727:Methotrexate / Q000627:therapeutic use*
D008727:Methotrexate