Clustering of serum immunoglobulin concentrations within sibling groups.
D000328:Adult; D000367:Age Factors; D000704:Analysis of Variance; D002675:Child, Preschool; D004777:Environment; D005260:Female; D014644:Genetic Variation; D005828:Genetics, Population; D006801:Humans; D008297:Male; D012737:Sex Factors; D005719:gamma-Globulins / Q000032:analysis*
D005719:gamma-Globulins