TY - RPRT TI - Mirror polydactyly: pathogenesis based on a morphogen gradient theory. AU - D L Viljoen AU - S H Kidson PY - 1990 DO - 10.1002/ajmg.1320350217 UR - https://pubmed.ncbi.nlm.nih.gov/2309762/ ID - 2309762 ER -