1. Outdoor air pollution and human infertility: a systematic review
Miguel A. Checa Vizcaíno, Ph.D., Mireia González-Comadran, M.D., Benedicte Jacquemin, Ph.D. 
Fertility and Sterility 
Volume 106, Issue 4, Pages e1 (September 2016)
DOI: /j.fertnstert
Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Flowchart describing the trial identification and selection process. RCT = randomized controlled trial.
Fertility and Sterility  , e1DOI: ( /j.fertnstert )
Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions