Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Hiromu Kozu and Hitoshi Takei and Meicho Hayashi,Maternal urinary free fl‐subunit of human chorionic gonadotrophin:creatinine ratios and fetal chromosomal abnormalities in the second trimester of pregnancy,BJOG: An International Journal of Obstetrics & Gynaecology,1470-0328,Wiley,1996-06-01,103,,577-580,https://cir.nii.ac.jp/crid/1872835442820771712,https://doi.org/10.1111/j.1471-0528.1996.tb09810.x