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Human Reproduction (Oxford, England)|November 5, 1999
Risks of preterm delivery and association with maternal age, birth order, and fetal genderP Astolfi, L A ZontaHuman Reproduction (Oxford, England)|December 22, 1999
Reduced male births in major Italian citiesP Astolfi, L A ZontaHuman Biology|July 12, 2001
Paternal HLA genotype and offspring sex ratioP Astolfi, M Cuccia, M MartinettiRevue D'Epidemiologie Et De Sante Publique|February 14, 2006
Late childbearing and its impact on adverse pregnancy outcome: stillbirth, preterm delivery and low birth weightP Astolfi, A De Pasquale, L ZontaAnnals of Human Genetics|July 11, 1998
Natural selection in industrialized countries: a study of three generations of Italian newbornsL Ulizzi, P Astolfi, L A ZontaHuman Biology|May 3, 2001
Sex ratio at reproductive age: changes over the last century in the Italian populationL Ulizzi, P Astolfi, L A ZontaHuman Biology|May 10, 2000
Natural selection and reproductive behavior in Italy, 1930-1993P Astolfi, L Ulizzi, L A ZontaHuman Reproduction (Oxford, England)|January 15, 2003
Changes in twinning rate: Italy 1950-1996P Astolfi, L Ulizzi, L A ZontaPageof 3