TY - RPRT TI - Liability, thresholds, malformations, and syndromes. AU - F C Fraser PY - 1996 DO - 10.1002/(sici)1096-8628(19961202)66:1<75::aid-ajmg17>3.0.co;2-n UR - https://pubmed.ncbi.nlm.nih.gov/8957517/ ID - 8957517 ER -