TY  - RPRT
TI  - Factor IX in warfarin treated patients.
AU  - K H Orstavik
AU  - K Laake
PY  - 1978
DO  - 10.1016/0049-3848(78)90009-9
UR  - https://pubmed.ncbi.nlm.nih.gov/694840/
ID  - 694840
ER  -