Here is a really interesting article on the topic. It was posted by Alexandra from Babble land. She and Larry are having a discussion of veg nutrition issues there. Anyhow, here is the article on iron, and other vits and minerals, and vegetarians:
http://www.veganhealth.org/shv/index_html#iron
If you have specific questions about nutrition, Larry_Hoover is the guy to ask. He checks the the drugs forum here. Be warned, he is a "face eater" and he'll try to convert you!
emmy