Large-scale HPCL purification of Calbindin D9k from porcine intestineBonetto, V.; Kangur, Liina; Palumaa, Peep; Mutt, V.; Jörnvall, Hans; Sillard, RannarProtein expression and purification1999 / 3, p. 387-391 https://pubmed.ncbi.nlm.nih.gov/10600456/