@misc{indiciae4ea09ffba7d1, title = {IgA concentration.}, author = {D B McClelland and R R Warwick and D J Shearman}, year = {1973}, doi = {10.1007/bf01070997}, url = {https://pubmed.ncbi.nlm.nih.gov/4695621/}, note = {Source identifier: 4695621} }