@misc{indiciae263000991be1, title = {Thromboprophylaxis during pregnancy.}, author = {M Hellgren and L Hahn and T Dahlman}, year = {1990}, doi = {10.1016/0002-9378(90)90050-h}, url = {https://pubmed.ncbi.nlm.nih.gov/2339737/}, note = {Source identifier: 2339737} }