DOI: 10.1093/aje/kwx011 , , PMID: 28399574 Issn Print: 0002-9262 Publication Date: 2017/03/15 Print Facebook Twitter LinkedIn Email Masters et al. Respond Ryan K. Masters; Daniel A. Powers; Eric N. Reither; Y. Claire Yang; Bruce G. Link Checking for direct PDF access through Ovid View on Journal Site Abstract Abstract unavailable for this article.