TY  - RPRT
TI  - Analysis of blood donor return behaviour using survival regression methods.
AU  - R C James
AU  - D E Matthews
PY  - 1996
DO  - 10.1046/j.1365-3148.1996.d01-46.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8696444/
ID  - 8696444
ER  -