TY - RPRT TI - An avoidable occupational hazard during mastoid surgery. AU - F J Lannigan AU - N S Jones AU - M V von Schoenberg PY - 1989 DO - 10.1017/s002221510010934x UR - https://pubmed.ncbi.nlm.nih.gov/2769021/ ID - 2769021 ER -