0.1016/j.jen.2007.11.014. PMID 19022078.↑ Struttmann T, Scheerer A, Prince TS, Goldstein LA (1998). "Unintentional carbon monoxide poisoning from an unlikely source". The Journal of the American Board of Family Practice. 11 (6): 481–484. PMID 9876005. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)↑ Committee on Medical and Biological Effects of Environmental Pollutants (1977). Carbon Monoxide. Washington, D.C.: National Academy of Sciences. p. 29. ISBN 0-309-02631-8.↑ 4.0 4.1 Green W. "An Introduction to Indoor Air Quality: Carbon Monoxide (CO)". United States Environmental Protection Agency. සම්ප්‍රවේශය 2008-12-16.↑ Gosink T (1983-01-28). "What Do Carbon Monoxide Levels Mean?". Alaska Science Forum. Geophysical Institute, University of Alaska Fairbanks. සම්ප්‍රවේශය 2008-12-16.↑ උපුටාදැක්වීම් දෝෂය: අනීතික <ref> ටැගය;Bateman නමැති ආශ්‍රේයන් සඳහා කිසිදු පෙළක් සපයා නොතිබුණිබාහිර උපකාරකයන්[සංස්කරණය]Pilot study of risks