TY - RPRT TI - Timeless epidemiology or history cannot be ignored. AU - L J Gunning-Schepers AU - J J Barendregt PY - 1992 DO - 10.1016/0895-4356(92)90037-n UR - https://pubmed.ncbi.nlm.nih.gov/1569432/ ID - 1569432 ER -