"Pursuant to Section 301(b) (4) of the Public Health Service Act as Amended by Section 262, PL 95-622."
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Mode of access: Internet from the NTP web site. Address as of 3/2/07: http://ntp.niehs.nih.gov/ntpweb/index.cfm?objectid=035E5806-F735-FE81-FF769DFE5509AF0A; current access available via PURL
Description based on: 9th (revised Jan. 2001); title from PDF version of t.p. (viewed Sept. 25, 2002)