TY - RPRT TI - SONOSim3D: a multimedia system for sonography simulation and education with an extensible case database. AU - H H Ehricke PY - 1998 DO - 10.1016/s0929-8266(98)00033-0 UR - https://pubmed.ncbi.nlm.nih.gov/9700220/ ID - 9700220 ER -