欧美自拍另类欧美宗合图片区,国产视频一区二区三区四区,日本一区二区三区四区视频,婬片一区AAA毛片一区二区

商品編號


BM317-N2B7



品牌


immunoreagents



公司


immunoreagents



公司分類(lèi)


Monoclonal Antibodies


商品信息
Human Chorionic Gonadotropin (hCG) is a hormone produced by the embryo after implantation and is used as a bio
Marker
to determine if the female is pregnant. HCG is comprised of two subunits; the alpha subunit, which is in common with a number of other hormones and the beta subunit, which is specific to HCG. HCG can also be used as a tumour
Marker
. Free beta HCG can be used in screening for Down's Syndrome and other trisomies during pregnancy.