TY - RPRT TI - Computed tomography in the elderly: changes over time in a normal population. AU - J M Bird AU - R Levy AU - R J Jacoby PY - 1986 DO - 10.1192/bjp.148.1.80 UR - https://pubmed.ncbi.nlm.nih.gov/3485462/ ID - 3485462 ER -