TY - RPRT TI - Obtaining previous mammograms for comparison. AU - W W Logan-Young AU - N Y Hoffman AU - J Janus AU - S Destounis PY - 1996 DO - 10.2214/ajr.166.4.8610588 UR - https://pubmed.ncbi.nlm.nih.gov/8610588/ ID - 8610588 ER -