TY - RPRT TI - Relapse versus reinfection with Clostridium difficile. AU - G L O'Neill AU - M H Beaman AU - T V Riley PY - 1991 DO - 10.1017/s0950268800049323 UR - https://pubmed.ncbi.nlm.nih.gov/1752311/ ID - 1752311 ER -