@misc{indiciae2d9b2e944852, title = {Changing susceptibility to rubella.}, author = {J L Sever and D A Fuccillo and M R Gilkeson and A Ley and R Traub}, year = {1968}, url = {https://pubmed.ncbi.nlm.nih.gov/5754583/}, note = {Source identifier: 5754583} }