%0 Journal Article %T Risk of bias and confounding of observational studies of Zika virus infection: A scoping review of research protocols %A Carlos E. Pinz¨®n-Flores %A Emma Smith %A Francisco Becerra-Posada %A Ludovic Reveiz %A Maria D. Van Kerkhove %A Mariona Pinart %A Michelle M. Haby %A Nathalie Broutet %A Ruth Mart¨ªnez-Vega %A Sylvain Aldighieri %A Vanessa Elias %J Archive of "PLoS ONE". %D 2017 %R 10.1371/journal.pone.0180220 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5501456/