Add Yahoo as a preferred source to see more of our stories on Google. Kids with ovaries go through distinct physical changes during puberty. Discover the stages of puberty for girls and how parents ...
Extract: The concerntration of serum luteinizing hormone (LH) and follicle stimulating hormone (FSH) was determined using a double antibody radioimmunoassay in 129 normal girls. Of theis group, 48 ...
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