Pak, V. M., Dai, F., Keenan, B. T., Gooneratne, N., & Pack, A. I. (2017). Lower Plasma Choline Levels are Associated with Sleepiness Symptoms. Sleep Med.
Chicago ZitierstilPak, Victoria M., Feng Dai, Brendan T. Keenan, Nalaka Gooneratne, und Allan I. Pack. "Lower Plasma Choline Levels Are Associated With Sleepiness Symptoms." Sleep Med 2017.
MLA ZitierstilPak, Victoria M., et al. "Lower Plasma Choline Levels Are Associated With Sleepiness Symptoms." Sleep Med 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.