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  1. pdfNLM Technical Bulletin, no.153-164 
    https://www.nlm.nih.gov/.../nlmarchives/techbull/153-164-1982.pdf
    ... criteria used by the National Institute of Occupational Safety and Health (NIOSH), the agency responsible for file ... PHENYLNORCAMPHANE SY- REACTIVAN SY- N-ETHYL-3-PHENYLBI- CYCLO(2.2.1)HEPTAN- 2-AMINE HM- *NORBORNANES ...
  2. pdfNLM Technical Bulletin, November-December 1996 
    https://www.nlm.nih.gov/...nical_bulletin_november_december_1996.pdf
    ... SYNTHASE 1975-91 X Cyclooxygenase X Fatty Acid Cyclo-Oxygenase X Prostaglandin Endoperoxide Synthetase X Prostaglandin H ...