DOI: 10.1093/ije/dyx230 , , PMID: 29240927 Issn Print: 0300-5771 Publication Date: 2017/12/12 Print Facebook Twitter LinkedIn Email Commentary: Introduction to an historical reprint Garland E Allen + Author Information Author Information: gallen@wustl.edu Checking for direct PDF access through Ovid View on Journal Site Abstract Abstract unavailable for this article.