Sun J، Stephens R، Mirza G، Kanai H، Ragoussis J، Bird PI (فبراير 1999). "A serpin gene cluster on human chromosome 6p25 contains PI6, PI9 and ELANH2 which have a common structure almost identical to the 18q21 ovalbumin serpin genes". Cytogenet Cell Genet. ج. 82 ع. 3–4: 273–7. DOI:10.1159/000015118. PMID:9858835.
Sun J، Stephens R، Mirza G، Kanai H، Ragoussis J، Bird PI (فبراير 1999). "A serpin gene cluster on human chromosome 6p25 contains PI6, PI9 and ELANH2 which have a common structure almost identical to the 18q21 ovalbumin serpin genes". Cytogenet Cell Genet. ج. 82 ع. 3–4: 273–7. DOI:10.1159/000015118. PMID:9858835.