TY - RPRT TI - Methodologic problems in establishing normal values for IgG subclass concentrations in a pediatric population; comparison of radial immunodiffusion and ELISA methods. AU - T Pressler AU - B Mansa AU - S S Pedersen AU - F Espersen AU - N Høiby AU - C Koch PY - 1994 DO - 10.1111/j.1398-9995.1994.tb02101.x UR - https://pubmed.ncbi.nlm.nih.gov/7695068/ ID - 7695068 ER -