@misc{indiciae049a5e005a21, title = {Contrast dilution analysis.}, author = {L R Del Guercio}, year = {1971}, doi = {10.1111/j.2164-0947.1971.tb02608.x}, url = {https://pubmed.ncbi.nlm.nih.gov/4936328/}, note = {Source identifier: 4936328} }