TY  - RPRT
TI  - ALS issues in clinical trials. Missing data.
AU  - John L P Thompson
AU  - Gilberto Levy
PY  - 2004
DO  - 10.1080/17434470410019753
UR  - https://pubmed.ncbi.nlm.nih.gov/15512872/
ID  - 15512872
ER  -