@misc{indiciae0045ec0ece47, title = {An improved stain for immunodiffusion tests.}, author = {A J Crowle and L J Cline}, year = {1977}, doi = {10.1016/0022-1759(77)90122-3}, url = {https://pubmed.ncbi.nlm.nih.gov/72121/}, note = {Source identifier: 72121} }