Temporal trends in the frequency of twins and higher-order multiple births in Canada and the United States

Download references

Deshayne B Fell^* and KS Joseph

BMC Pregnancy and Childbirth 2012, 12:103 doi:10.1186/1471-2393-12-103

Include	Article citation and all cited references Cited references only Article citation only
Format	EndNote, Zotero or Papers Reference Manager Refworks BibTeX