Citace podle APA

El-Sayed, A. M., & Galea, S. (2012). Temporal Changes in Socioeconomic Influences on Health: Maternal Education and Preterm Birth. American Public Health Association.

Styl Chicago

El-Sayed, Abdulrahman M., a Sandro Galea. Temporal Changes in Socioeconomic Influences On Health: Maternal Education and Preterm Birth. American Public Health Association, 2012.

Citace podle MLA

El-Sayed, Abdulrahman M., a Sandro Galea. Temporal Changes in Socioeconomic Influences On Health: Maternal Education and Preterm Birth. American Public Health Association, 2012.

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