Trích dẫn APA

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.

Trích dẫn kiểu Chicago

Duan, Guangyou, Zhuoxi Wu, Peng Zhao, Jing Peng, Zhengqiong Chen, Qingling Zhang, Rufu Xu, và 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.

Trích dẫn MLA

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.

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