APA (7th ed.) Citation

(2014). Brain-derived neurotrophic factor is expressed in rat and human placenta and its serum levels are similarly regulated throughout pregnancy in both species.

Chicago Style (17th ed.) Citation

Brain-derived Neurotrophic Factor Is Expressed in Rat and Human Placenta and Its Serum Levels Are Similarly Regulated Throughout Pregnancy in Both Species. 2014.

MLA (8th ed.) Citation

Brain-derived Neurotrophic Factor Is Expressed in Rat and Human Placenta and Its Serum Levels Are Similarly Regulated Throughout Pregnancy in Both Species. 2014.

Warning: These citations may not always be 100% accurate.