title: Multivariate analysis in twin studies.
mesh_terms: D000704:Analysis of Variance; D001699:Biometry; D005260:Female; D014644:Genetic Variation; D005838:Genotype; D006801:Humans; D008297:Male; D010641:Phenotype; D011247:Pregnancy; D012107:Research Design; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic