TY - RPRT TI - Clot retraction in a factor XIII free system. AU - K M Rao AU - T F Newcomb PY - 1980 DO - 10.1111/j.1600-0609.1980.tb02358.x UR - https://pubmed.ncbi.nlm.nih.gov/7375813/ ID - 7375813 ER -