TY - RPRT TI - A circuit modification that improves mammographic phototimer performance. AU - R LaFrance AU - D E Gelskey AU - G T Barnes PY - 1988 DO - 10.1148/radiology.166.3.3340776 UR - https://pubmed.ncbi.nlm.nih.gov/3340776/ ID - 3340776 ER -