TY - RPRT TI - Human placenta for chronic leg ulcers. AU - G Goldfarb AU - Doan Ba Tri AU - A Duran PY - 1980 DO - 10.1016/s0140-6736(80)92921-9 UR - https://pubmed.ncbi.nlm.nih.gov/6104256/ ID - 6104256 ER -