Biotin External links

Biotin bound to proteinsin the PDB
Jane Higdon, "Biotin", Micronutrient Information Center, Linus Pauling Institute, Oregon State University
Clercq, Pierre J. De (1997). "Biotin: A Timeless Challenge for Total Synthesis". Chemical Reviews 97 (6): 1755–1792. doi:10.1021/cr950073e. PMID 11848892. 
"Biotin". DSM Nutritional Products. 2009-10-29. http://www.vitamin-basics.com/index.php?id=52. Retrieved 2010-05-14.