Singleton deliveryExposure1 paperHumans1LatestHuman Reproduction·28 JulMothers of twins had higher old-age survival than mothers of singletons in Estonian 19th-century birth cohortsCohort study of 119,613 peoplePopulationsPaper
Human Reproduction·28 JulMothers of twins had higher old-age survival than mothers of singletons in Estonian 19th-century birth cohortsCohort study of 119,613 peoplePopulationsPaper