title: Twin studies in pharmacogenetics.
mesh_terms: D005260:Female; D014644:Genetic Variation; D006801:Humans; D008433:Mathematics; D004364:Pharmaceutical Preparations / Q000378:metabolism; D010597:Pharmacogenetics; D010641:Phenotype; D011247:Pregnancy; D014427:Twins
chemical_list: D004364:Pharmaceutical Preparations