TY - RPRT TI - Extensions to multivariate normal models for pedigree analysis. AU - J L Hopper AU - J D Mathews PY - 1982 DO - 10.1111/j.1469-1809.1982.tb01588.x UR - https://pubmed.ncbi.nlm.nih.gov/6961886/ ID - 6961886 ER -