TY - RPRT TI - Consensus statement on epidemiology. AU - B Smedby AU - L Irgens AU - G Norvenius PY - 1993 DO - 10.1111/j.1651-2227.1993.tb12874.x UR - https://pubmed.ncbi.nlm.nih.gov/8374191/ ID - 8374191 ER -