TY - RPRT TI - Evidence-based diagnosis in patch testing. AU - Pieter G M van der Valk AU - Steven A Devos AU - Pieter-Jan Coenraads PY - 2003 DO - 10.1034/j.1600-0536.2003.00072.x UR - https://pubmed.ncbi.nlm.nih.gov/12755722/ ID - 12755722 ER -