@misc{indiciae76b0c5170628, title = {Classification of primary immunodeficiencies.}, author = {M D Cooper and W P Faulk and H H Fudenberg and R A Good and W Hitzig and H Kunkel and F S Rosen and M Seligmann and J Soothill and R J Wedgwood}, year = {1973}, doi = {10.1056/nejm197305032881814}, url = {https://pubmed.ncbi.nlm.nih.gov/4540338/}, note = {Source identifier: 4540338} }