TY - JOUR AU - ÖZÇELIK, A. DO - doi:10.1302/0301-620X.81B1.0810179 UR - https://doi.org/10.1302/0301-620X.81B1.0810179 TI - Ultrasonography in developmental hip dysplasia T2 - The Journal of Bone & Joint Surgery British Volume VL - 81-B IS - 1 PY - 1999 SP - 179 EP - 179 ER -