Sampling considerations in the design and analysis of family studies.
D004200:Diseases in Twins; D005260:Female; D014644:Genetic Variation; D005826:Genetics, Medical; D006801:Humans; D008126:Lod Score; D008297:Male; D008957:Models, Genetic; D010375:Pedigree; D010641:Phenotype; D011336:Probability; D012107:Research Design; D012494:Sampling Studies; D013223:Statistics as Topic