V Martinez-Sales, V Vila, E Reganon, JG Oms, and J Aznar. 2003. “Effect of Unfractionated Heparin and a Low Molecular Weight Heparin (enoxaparin) on Coagulant Activity of Cultured Human Endothelial Cells”. Haematologica 88 (6). Pavia, Italy, 694-99. https://haematologica.org/article/view/2765.