Calcium in midpregnancy.
Kumar A, Meena M, Gyaneshwori Devi S, Gupta RK, Batra S.
Kumar A, et al. Among authors: meena m.
Arch Gynecol Obstet. 2009 Mar;279(3):315-9. doi: 10.1007/s00404-008-0705-5. Epub 2008 Jul 3.
Arch Gynecol Obstet. 2009.
PMID: 18597101
Retracted.