TY - RPRT TI - Decrease and increase in test-threshold luminance induced by a contiguous annular field. AU - Y Tanaka AU - Y Uemura AU - S Torii PY - 1967 DO - 10.2466/pms.1967.24.3c.1319 UR - https://pubmed.ncbi.nlm.nih.gov/5623090/ ID - 5623090 ER -