@misc{indiciaecaaa82f48f26, title = {Longevity in age-heterogamous marriages.}, author = {C L Williams and M W Durm}, year = {1998}, doi = {10.2466/pr0.1998.82.3.872}, url = {https://pubmed.ncbi.nlm.nih.gov/9676498/}, note = {Source identifier: 9676498} }