TY  - RPRT
TI  - Blood-its derivatives and its problems--factor IX.
AU  - C K Kasper
PY  - 1975
DO  - 10.1111/j.1749-6632.1975.tb53342.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1089381/
ID  - 1089381
ER  -