TY - RPRT TI - Heavy metal levels and delta-amino-levulinic acid dehydrase levels in peripheral polyneuropathy. AU - B Melgaard AU - J Clausen AU - S C Rastogi PY - 1976 DO - 10.1111/j.1600-0404.1976.tb04349.x UR - https://pubmed.ncbi.nlm.nih.gov/178141/ ID - 178141 ER -