Dyfyniad APA

Munafo, M., Murphy, M., Whiteman, D., & Hey, K. (2002). Does cigarette smoking increase time to conception?

Dyfyniad Arddull Chicago

Munafo, M., M. Murphy, D. Whiteman, and K. Hey. Does Cigarette Smoking Increase Time to Conception? 2002.

Dyfyniad MLA

Munafo, M., et al. Does Cigarette Smoking Increase Time to Conception? 2002.

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