@article {9601,
	title = {Increased levels of human placental growth hormone in the amniotic fluid of pregnancies affected by Down syndrome},
	journal = {Growth Hormone \& IGF Research},
	volume = {19},
	year = {2009},
	pages = {121-125},
	publisher = {Elsevier},
	isbn = {1096-6374},
	author = {Sifakis, S. and Papadopoulou, E. and Konstantinidou, A and Giahnakis, E and Fragouli, Y and Karkavitsas, N and Koumantakis, E and Kalmanti, M}
}
