Glucose transporter isoform 4 is expressed in the syncytiotrophoblast of first trimester human placenta.
Ericsson A, Hamark B, Powell TL, Jansson T. Glucose transporter isoform 4 is expressed in the syncytiotrophoblast of first trimester human placenta. Hum Reprod. 2005 Feb; 20(2):521-30.