TY - JOUR AU - Futami, T AU - Kasahara, Y AU - Suzuki, S AU - Ushikubo, S AU - Tsuchiya, T DO - doi:10.1302/0301-620X.73B4.2071649 UR - https://doi.org/10.1302/0301-620X.73B4.2071649 TI - Ultrasonography in transient synovitis and early Perthes' disease T2 - The Journal of Bone & Joint Surgery British Volume VL - 73-B IS - 4 PY - 1991 SP - 635 EP - 639 ER -