Balagurunathan R, Subramanian A. Studies on marine Streptomyces nigrifaciens (P-9). I. Taxonomy and standardization of antibiotic production. Cienc. Mar. [Internet]. 1993 Mar. 6 [cited 2024 Nov. 25];19(4):435-43. Available from: https://cienciasmarinas.com.mx/index.php/cmarinas/article/view/946