Rapała, K.; Walczak, P.; Truszczyńska, A. (2010). „Orthopedic diagnostic and therapeutic problems in avascular poststeroid necrosis of femur head in the course acute lymphoblastic leukemia--description of 3 cases”. Chirurgia Narzadow Ruchu I Ortopedia Polska. 75 (2): 121—125. PMID20695186.