TY - RPRT TI - Variance components/major locus likelihood approximation for quantitative, polychotomous, and multivariate data. AU - S J Hasstedt PY - 1993 DO - 10.1002/gepi.1370100302 UR - https://pubmed.ncbi.nlm.nih.gov/8349098/ ID - 8349098 ER -