TY - RPRT TI - Pseudomembranous colitis associated with ampicillin therapy. AU - J P Keating AU - A L Frank AU - L L Barton AU - F J Tedesco PY - 1974 DO - 10.1001/archpedi.1974.02110280099014 UR - https://pubmed.ncbi.nlm.nih.gov/4471684/ ID - 4471684 ER -