887 followers
@richardboock @mellopuffy Published June 2012 - false positive rate of 5%: http://t.co/BPvKENfz
@richardboock @mellopuffy Published June 2012 - false positive rate of 5%: http://t.co/BPvKENfz
[PlGF] Second trimester serum tests for Down's Syndrome screening.: Second trimester serum tests for Down's... http://t.co/pEseO3pw [PM]