TY - RPRT TI - Day 4 is better than day 3 for a single patch test reading. AU - D J Todd AU - J Handley AU - M Metwali AU - G E Allen AU - D Burrows PY - 1996 DO - 10.1111/j.1600-0536.1996.tb02241.x UR - https://pubmed.ncbi.nlm.nih.gov/8879925/ ID - 8879925 ER -