Zhu, Gardner, Pullinger, Kane, Thompson, Francone: "Regulation of apoAI processing by procollagen C-proteinase enhancer-2 and bone morphogenetic protein-1." in: Journal of lipid research, Vol. 50, Issue 7, pp. 1330-9, (2009) (PubMed).
Steiglitz, Keene, Greenspan et al.: "PCOLCE2 encodes a functional procollagen C-proteinase enhancer (PCPE2) that is a collagen-binding protein differing in distribution of expression and post-translational modification from the..." in: The Journal of biological chemistry, Vol. 277, Issue 51, pp. 49820-30, (2002) (PubMed).