TY  - RPRT
TI  - Methodologic problems in the evaluation of self-management programs.
AU  - W J Popham
AU  - E S Yalow
PY  - 1983
DO  - 10.1016/0091-6749(83)90485-2
UR  - https://pubmed.ncbi.nlm.nih.gov/6643865/
ID  - 6643865
ER  -