TY - RPRT TI - Laser alignment system for high-quality portable radiography. AU - H MacMahon AU - N J Yasillo AU - M Carlin PY - 1992 DO - 10.1148/radiographics.12.1.1734456 UR - https://pubmed.ncbi.nlm.nih.gov/1734456/ ID - 1734456 ER -