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Full text from the Univ. of Michigan Library free resource MLibrary (Deep Blue) http://hdl.handle.net/2027.42/90154
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=7739948.ui
subscription/membership/fee required Wiley https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0277-0008&date=1995&volume=15&issue=1&spage=66