!!!! iron oxyhydroxide:Iron Oxyhydroxide, Iron hydroxide

https://en.wikipedia.org/wiki/Iron(III)_oxide-hydroxide


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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4345694/ @@ Hiroshi Saito (2014): Metabolism of iron stores (ferritin etc)
http://www.bloodjournal.org/content/123/2/168?sso-checked=true @@ Delphine Meynard et al (2014): The liver: conductor of systemic iron balance
https://scholar.google.com.br/scholar?hl=en&as_sdt=0%2C5&q=ferritin+composition+&btnG= @@ Scholar: ferritin composition 

http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.959.5639&rep=rep1&type=pdf @@ van der Giessen: Chemical and Physical Properties of Iron(III) Oxide Hydrate