TY - JOUR AU - Hergan, K AU - Mittler, C DO - doi:10.1302/0301-620X.77B1.7822402 UR - https://doi.org/10.1302/0301-620X.77B1.7822402 TI - Sonography of the injured ulnar collateral ligament of the thumb T2 - The Journal of Bone & Joint Surgery British Volume VL - 77-B IS - 1 PY - 1995 SP - 77 EP - 83 ER -