@misc{indiciaea40e32e11926, title = {[Decrease of admixture of chlortetracycline formed during direct fermentation of tetracycline].}, author = {V G Makarevich and T N Laznikova}, year = {1969}, url = {https://pubmed.ncbi.nlm.nih.gov/5378152/}, note = {Source identifier: 5378152} }