Шабалдин, Никита Андреевич, et al. “CLINICAL AND IMMUNOLOGICAL FEATURES OF TRANSIENT SYNOVITIS OF THE HIP JOINT AND DISEASE LEGG-CALVE-PERTHES IN CHILDREN OF EARLY AND SCHOOL AGE”. Mother and Baby in Kuzbass, vol. 17, no. 1, Aug. 2017, pp. 21-26, https://www.mednauki.ru/index.php/MD/article/view/115.