APA Zitierstil

Duan, G., Wu, Z., Zhao, P., Peng, J., Chen, Z., Zhang, Q., . . . Li, H. (2018). Protocol for a randomised, double-blind, placebo-controlled trial to explore the effect of tramadol in the prevention of postpartum depression (ETPPD). BMJ Open.

Chicago Zitierstil

Duan, Guangyou, Zhuoxi Wu, Peng Zhao, Jing Peng, Zhengqiong Chen, Qingling Zhang, Rufu Xu, und Hong Li. "Protocol for a Randomised, Double-blind, Placebo-controlled Trial to Explore the Effect of Tramadol in the Prevention of Postpartum Depression (ETPPD)." BMJ Open 2018.

MLA Zitierstil

Duan, Guangyou, et al. "Protocol for a Randomised, Double-blind, Placebo-controlled Trial to Explore the Effect of Tramadol in the Prevention of Postpartum Depression (ETPPD)." BMJ Open 2018.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.