TY - GEN AU - BURKS,J W AU - KNOX,J M TI - S-factor of liver extract in acne vulgaris SN - 0096-5979 PY - 2003///0501 KW - Acne Vulgaris KW - therapy KW - Humans KW - Liver KW - Liver Extracts N1 - Publication Type: Journal Article UR - https://doi.org/10.1001/archderm.1954.01540220110013 ER -