TY  - RPRT
TI  - Differences between compliers and partial compliers: a multicenter study.
AU  - B Siegal
AU  - S M Greenstein
PY  - 1998
DO  - 10.1016/s0041-1345(98)00254-1
UR  - https://pubmed.ncbi.nlm.nih.gov/9636531/
ID  - 9636531
ER  -