TY - RPRT TI - Genetic risks in Perthes' disease. AU - P S Harper AU - B J Brotherton AU - D Cochlin PY - 1976 DO - 10.1111/j.1399-0004.1976.tb00030.x UR - https://pubmed.ncbi.nlm.nih.gov/963906/ ID - 963906 ER -