Cita APA (7a ed.)

Li, F., Niu, A., Feng, X., Yan, Y., & Chen, Y. (2021). The threshold effect of factors associated with spontaneous abortion in human-assisted reproductive technology. Nature Portfolio.

Cita Chicago Style (17a ed.)

Li, Fei, AiQin Niu, XingMei Feng, Ying Yan, y Ying Chen. The Threshold Effect of Factors Associated with Spontaneous Abortion in Human-assisted Reproductive Technology. Nature Portfolio, 2021.

Cita MLA (8a ed.)

Li, Fei, et al. The Threshold Effect of Factors Associated with Spontaneous Abortion in Human-assisted Reproductive Technology. Nature Portfolio, 2021.