TY - RPRT TI - Delayed hypersensitivity reaction to heparin. AU - B F O'Donnell AU - C Y Tan PY - 1993 DO - 10.1111/j.1365-2133.1993.tb00502.x UR - https://pubmed.ncbi.nlm.nih.gov/8251369/ ID - 8251369 ER -