D Upper1. Show Affiliations » 1. Veterans Administration Hospital, Brockton, Massachusetts.
Abstract
Year: 1974 PMID: 16795475 PMCID: PMC1311997 DOI: 10.1901/jaba.1974.7-497a
Source DB: PubMed Journal: J Appl Behav Anal ISSN: 0021-8855