TY - RPRT TI - IMPURITY IN HALOTHANE ANESTHETIC. AU - E N COHEN AU - J W BELLVILLE AU - H BUDZIKIEWICZ AU - D H WILLIAMS PY - 1963 DO - 10.1126/science.141.3584.899 UR - https://pubmed.ncbi.nlm.nih.gov/14043327/ ID - 14043327 ER -