TY - RPRT TI - Actinomycetes producing antibiotics. AU - A Z Abou-Zeid AU - M M Abd El Hamid PY - 1975 DO - 10.1016/s0044-4057(75)80042-6 UR - https://pubmed.ncbi.nlm.nih.gov/1243712/ ID - 1243712 ER -