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Comparative study of serum progesterone levels at the time ..:

Srinivas Sangisapu ; Sandeep Karunakaran
http://www.jhrsonline.org/article.asp?issn=0974-1208;year=2019;volume=12;issue=3;spage=234;epage=239;aulast=Sangisapu.  , 2019