TY - RPRT TI - The thoracic paraspinal shadow: normal appearances. AU - H H Lien AU - A Kolbenstvedt PY - 1982 DO - 10.1016/s0009-9260(82)80338-3 UR - https://pubmed.ncbi.nlm.nih.gov/7067332/ ID - 7067332 ER -