Bulhões AC, Goldani HA, Oliveira FS, Matte US, Mazzuca RB, Silveira TR (2007). “Correlation between lactose absorption and the C/T-13910 and G/A-22018 mutations of the lactase-phlorizin hydrolase (LCT) gene in adult-type hypolactasia”. 《Brazilian Journal of Medical and Biological Research》 40 (11): 1441–6. doi:10.1590/S0100-879X2007001100004. PMID17934640.
Bulhões AC, Goldani HA, Oliveira FS, Matte US, Mazzuca RB, Silveira TR (2007). “Correlation between lactose absorption and the C/T-13910 and G/A-22018 mutations of the lactase-phlorizin hydrolase (LCT) gene in adult-type hypolactasia”. 《Brazilian Journal of Medical and Biological Research》 40 (11): 1441–6. doi:10.1590/S0100-879X2007001100004. PMID17934640.