TY - RPRT TI - Extraneous tissue in cell block sections. AU - K T Chen PY - 1998 DO - 10.1002/(sici)1097-0339(199805)18:5<383::aid-dc18>3.0.co;2-e UR - https://pubmed.ncbi.nlm.nih.gov/9582580/ ID - 9582580 ER -