RT Journal Article
SR Electronic
T1 Questionnaire development: 1. Formulation
JF Canadian Medical Association Journal
JO CMAJ
FD Canadian Medical Association
SP 583
OP 585
VO 136
IS 6
A1 Del Greco, L.
A1 Walop, W.
YR 1987
UL http://www.cmaj.ca/content/136/6/583.abstract