Assignment of the locus for congenital lactase deficiency to 2q21, in the vicinity of but separate from the lactase-phlorizin hydrolase gene
- Full text of paper by Jarvela, Enattah, Kokkonen, Varilo, Savilahti, and Peltonen.
- http://www.journals.uchicago.edu/AJHG/journal/issues/v63n4/980380/980380.web.pdf

Online Mendelian Inheritance in man
- Details clinical features and the current state of knowledge of the genetics of congenital lactase deficiency, also known as hereditary alactasia and as disaccharide intolerance II.
- http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=223000