(Q71620967)
Statements
First-trimester biochemical screening for Down syndrome with the use of PAPP-A, AFP, and beta-hCG (English)
Casals E
Fortuny A
Grudzinskas JG
Suzuki Y
Teisner B
Comas C
Sanllehy C
Ojuel J
Soler A
scientific article published on 01 May 1996