Salmenpera L, Perheentupa J, Pispa JP, Siimes MA. 1985. Biotin concentrations in maternal plasma and milk during prolonged lactation. Int J Vitam Nutr Res 55:281–285.

Schenker S, Hu Z, Johnson RF, Yang Y, Frosto T, Elliott BD, Henderson GI, Mock DM. 1993. Human placental biotin transport: Normal characteristics and effect of ethanol. Alcohol Clin Exp Res 17:566–575.

Shriver BJ, Roman-Shriver C, Allred JB. 1993. Depletion and repletion of biotinyl enzymes in liver of biotin-deficient rats: Evidence of a biotin storage system. J Nutr 123:1140–1149.

Sorrell MF, Frank O, Thompson AD, Aquino H, Baker H. 1971. Absorption of vitamins from the large intestine in vivo. Nutr Rep Int 3:143–148.

Wolf B, Heard GS, McVoy JR, Raetz HM. 1984. Biotinidase deficiency: The possible role of biotinidase in the processing of dietary protein-bound biotin. J Inherit Metab Dis 7:121–122.

Wolf B, Grier RE, McVoy JR, Heard GS. 1985. Biotinidase deficiency: A novel vitamin recycling defect. J Inherit Metab Dis 8:53–58.

Yatzidis H, Koutsicos D, Agroyannis B, Papastephanidis C, Francos-Plemenos M, Delatola Z. 1984. Biotin in the management of uremic neurologic disorders.

Zempleni J, McCormick DB, Mock DM. 1997. Identification of biotin sulfone, bisnorbiotin methyl ketone, and tetranorbiotin-1-sulfoxide in human urine. Am J Clin Nutr 65:508–511.