TY  - RPRT
TI  - Randomisation methods in controlled trials.
AU  - C Roberts
AU  - D Torgerson
PY  - 1998
DO  - 10.1136/bmj.317.7168.1301
UR  - https://pubmed.ncbi.nlm.nih.gov/9804722/
ID  - 9804722
ER  -