TY - RPRT TI - Pyoderma gangrenosum with altered cellular immunity and dermonecrotic factor. AU - J Delescluse AU - C De Bast AU - G Achten PY - 1972 DO - 10.1111/j.1365-2133.1972.tb07441.x UR - https://pubmed.ncbi.nlm.nih.gov/4567639/ ID - 4567639 ER -