Authors: Ahmed Lotfi; Ahmed M Abdel-Nasser; Ahmed Hamdy; Ahmed A Omran; Mahmoud A El-Rehany Journal: Clin Rheumatol Date: 2007-03-22 Impact factor: 2.980
Authors: Bess Dawson-Hughes; Robert P Heaney; Michael F Holick; Paul Lips; Pierre J Meunier; Reinhold Vieth Journal: Osteoporos Int Date: 2005-03-18 Impact factor: 4.507
Authors: Kathleen M Hill; George P McCabe; Linda D McCabe; Catherine M Gordon; Steven A Abrams; Connie M Weaver Journal: J Nutr Date: 2010-09-22 Impact factor: 4.798