Advanced reproductive age and fertility: no. 269, November 2011.
Kimberly L, Case A, Cheung AP, Sierra S, AlAsiri S, Carranza-Mamane B, Case A, Dwyer C, Graham J, Havelock J, Hemmings R, Lee F, Liu K, Murdock W, Senikas V, Vause TD, Wong BC.
Int J Gynaecol Obstet. 2012 Apr;117(1):95-102.
https://www.ncbi.nlm.nih.gov/pubmed/22506284
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