title: Searching for a major genetic locus for affective disorder in the Old Order Amish.
mesh_terms: D000328:Adult; D001714:Bipolar Disorder / Q000235:genetics*; D002874:Chromosome Mapping; D003866:Depressive Disorder / Q000235:genetics*; D005819:Genetic Markers; D006801:Humans; D011110:Polymorphism, Genetic; D012150:Polymorphism, Restriction Fragment Length; D012307:Risk Factors
chemical_list: D005819:Genetic Markers