@misc{indiciaecc9f5ba57f81, title = {Tetrapyrrole utilization by Bacteroids ruminocola.}, author = {D R McCall and D R Caldwell}, year = {1977}, doi = {10.1128/jb.131.3.809-814.1977}, url = {https://pubmed.ncbi.nlm.nih.gov/893342/}, note = {Source identifier: 893342} }