TY  - RPRT
TI  - Human factor IX and factor IXa.
AU  - S P Bajaj
AU  - J J Birktoft
PY  - 1993
DO  - 10.1016/0076-6879(93)22009-5
UR  - https://pubmed.ncbi.nlm.nih.gov/8412817/
ID  - 8412817
ER  -