title: Inconsistent designs of association studies: a missed opportunity.
authors.forename: T G
authors.initials: TG
authors.lastname: Schulze
authors.forename: J
authors.initials: J
authors.lastname: Hardy
authors.forename: F J
authors.initials: FJ
authors.lastname: McMahon
mesh_terms: D015982:Bias; D001714:Bipolar Disorder / Q000235:genetics*; D019208:Brain-Derived Neurotrophic Factor / Q000235:genetics; D016022:Case-Control Studies; D002874:Chromosome Mapping / Q000379:methods / Q000592:standards*; D002986:Clinical Trials as Topic / Q000592:standards*; D008040:Genetic Linkage / Q000235:genetics*; D005819:Genetic Markers; D020022:Genetic Predisposition to Disease; D017408:Guidelines as Topic; D006801:Humans; D020641:Polymorphism, Single Nucleotide / Q000235:genetics; D012107:Research Design / Q000592:standards*; D013223:Statistics as Topic
chemical_list: D019208:Brain-Derived Neurotrophic Factor; D005819:Genetic Markers