TY - RPRT TI - Breast biopsy. Changing patterns during a five-year period. AU - S F Lay AU - J M Crump AU - E R Frykberg AU - T A Goedde AU - E M Copeland PY - 1990 UR - https://pubmed.ncbi.nlm.nih.gov/2306056/ ID - 2306056 ER -