Verzija na dan 16 oktobar 2019 u 08:03 uredi InternetArchiveBot (razgovor \| doprinosi) Automatski pregledani korisnici, Botovi 128.124 edits Rescuing 1 sources and submitting 0 for archiving.) #IABot (v2.0 ← Starija izmjena		Verzija na dan 22 august 2020 u 23:10 uredi poništi InternetArchiveBot (razgovor \| doprinosi) Automatski pregledani korisnici, Botovi 128.124 edits Rescuing 1 sources and submitting 0 for archiving.) #IABot (v2.0.4 Novija izmjena →
Red 13: ==Vanjski linkovi== [https://web.archive.org/web/20060220123505/http://www.elmhurst.edu/~chm/vchembook/566secprotein.html Composition and β-sheet structure of silk] [https://web.archive.org/web/20060113171639/http://www.hair-science.com/_int/_en/topic/topic_sousrub.aspx?tc=ROOT-HAIR-SCIENCE~~^PORTRAIT~~%5EPORTRAIT-OF-AN-UNKNOWN-ELEMENT~~^SUPERB~~%5ESUPERB-CHEMISTRY&cur=SUPERB-CHEMISTRY Hair-Science.com's entry on the microscopic elements of hair]~~{{Mrtav link\|datum=Oktobar 2019 \|bot=InternetArchiveBot }}~~ * [http://www.proteopedia.org/w/Keratins Proteopedia page on keratins]

Razlika između verzija stranice "Keratin"