TY  - RPRT
TI  - Randomized trials or observational tribulations?
AU  - S J Pocock
AU  - D R Elbourne
PY  - 2000
DO  - 10.1056/nejm200006223422511
UR  - https://pubmed.ncbi.nlm.nih.gov/10861329/
ID  - 10861329
ER  -