TY - RPRT TI - Recurrent Perthes' disease. AU - H B Kemp AU - J A Cholmeley AU - J K Baijens PY - 1971 DO - 10.1259/0007-1285-44-525-675 UR - https://pubmed.ncbi.nlm.nih.gov/5569961/ ID - 5569961 ER -