TY - RPRT TI - PCS System I: point counting stereology programs for cell biology. AU - N D Pentcheff AU - R P Bolender PY - 1985 DO - 10.1016/0169-2607(85)90033-1 UR - https://pubmed.ncbi.nlm.nih.gov/3848367/ ID - 3848367 ER -