@misc{indiciae99203df15793, title = {Immunoglobulin levels and intellectual functioning in the aged.}, author = {D Cohen and S S Matsuyama and L F Jarvik}, year = {1976}, doi = {10.1080/03610737608257991}, url = {https://pubmed.ncbi.nlm.nih.gov/1035162/}, note = {Source identifier: 1035162} }