TY  - RPRT
TI  - Statistics to describe blood usage.
AU  - A Pereira
AU  - C Sanz
AU  - R Atance
DO  - 10.1046/j.1537-2995.1998.38111299056326.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9838947/
ID  - 9838947
ER  -