Okay...here are some articles I found:
Team nursing in a NICU:
http://www.medscape.com/viewarticle/531024_1
Here are some views of team nursing:
http://www.realnurse.net/articles/team.shtml
Here's a PPP about team nursing in a subacute unit:
http://www.health.nsw.gov.au/nursing...ctive_team.pdf
Finally, I would suggest you contact your speciality's organization and see what info they have on team nursing in L&D. There might have been some research done too by one of your own nurses doing his/her MSN.