Gosler, Andrew G.; Connor, Oliver R.; Bonser, Richard H.C. Protoporphyrin and eggshell strength: preliminary findings from a passerine bird. Avian Biology Research, Volume 4, Number 4, December 2011 , pp. 214-223(10). [2]Arquivado 06 de xaneiro de 2014 en Wayback Machine.
web.archive.org
Gosler, Andrew G.; Connor, Oliver R.; Bonser, Richard H.C. Protoporphyrin and eggshell strength: preliminary findings from a passerine bird. Avian Biology Research, Volume 4, Number 4, December 2011 , pp. 214-223(10). [2]Arquivado 06 de xaneiro de 2014 en Wayback Machine.
wiley.com
onlinelibrary.wiley.com
Ali E. Alawady, Bernhard Grimm. Tobacco Mg protoporphyrin IX methyltransferase is involved in inverse activation of Mg porphyrin and protoheme synthesis. The Plant Journal. Volume 41, Issue 2, pages 282–290, January 2005. [1]