Intake of fish liver oil and gestational hypertension in Iceland

Thinh Xuan Tran´s book is sold at websites

http://www.bod.com/index.php?id=3435&objk_id=622098

http://www.amazon.com/Intake-liver-gestational-hypertension-Iceland/dp/3844315616

http://www.barnesandnoble.com/w/intake-of-fish-liver-oil-and-gestational-hypertension-in-iceland-thinh-xuan-tran/1108066092