TY - RPRT TI - A comparison of two mandibular reference planes. AU - W H Feasby PY - 1971 DO - 10.1043/0003-3219(1971)041<0019:acotmr>2.0.co;2 UR - https://pubmed.ncbi.nlm.nih.gov/5275657/ ID - 5275657 ER -