@misc{indiciae40ebf0185595, title = {The Brucella abortus ring test.}, author = {M H ROEPKE and K G PATERSON and F C DRIVER and L B CLAUSEN and L OLSON and J E WENTWORTH}, year = {1950}, url = {https://pubmed.ncbi.nlm.nih.gov/15410976/}, note = {Source identifier: 15410976} }