TY - RPRT TI - The "edge effect" with patch test materials. AU - A Fyad AU - M L Masmoudi AU - J M Lachapelle PY - 1987 DO - 10.1111/j.1600-0536.1987.tb01409.x UR - https://pubmed.ncbi.nlm.nih.gov/3581822/ ID - 3581822 ER -