title: An Italian army twin register.
authors.affiliation: Mendel Institute, Rome.
authors.forename: L
authors.initials: L
authors.lastname: Gedda
authors.forename: S
authors.initials: S
authors.lastname: Messinetti
authors.forename: G
authors.initials: G
authors.lastname: Brenci
authors.forename: G
authors.initials: G
authors.lastname: Ronzani
mesh_terms: D000328:Adult; D001076:Aptitude; D005260:Female; D006801:Humans; D007558:Italy; D008297:Male; D008889:Military Personnel; D009790:Occupations; D012042:Registries; D014427:Twins / Q000235:genetics / Q000523:psychology / Q000706:statistics & numerical data*