TY - RPRT TI - A microcomputer based system for quantifying the spatial distribution of inhaled particles in histological lung sections. AU - A Birchall AU - A Hodgson PY - 1984 DO - 10.1088/0031-9155/29/1/004 UR - https://pubmed.ncbi.nlm.nih.gov/6701191/ ID - 6701191 ER -