Consanguineous marriages in the Upper Bologna Appennine (1565-1980): microgeographic variations, pedigree structure and correlation of inbreeding secular trend with changes in population size.
D003241:Consanguinity; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007558:Italy; D008393:Marriage; D012067:Religion / Q000266:history