This paper is in the following e-collections/theme issues:

ISRII Theme Issue 2013  Internet-based Survey & Research Methodology  Research Participants Recruitment and Engagement 

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Works citing "Keywords to Recruit Spanish- and English-Speaking Participants: Evidence From an Online Postpartum Depression Randomized Controlled Trial"

Alinne Z Barrera, Alex R Kelman, Ricardo F Muñoz
J Med Internet Res 2014 (Jan 09); 16(1):e6 

According to Crossref, the following articles are citing this article (DOI 10.2196/jmir.2999):

(note that this is only a small subset of citations)

1. Ünlü Ince B, Cuijpers P, van 't Hof E, Riper H. Reaching and recruiting Turkish migrants for a clinical trial through Facebook: A process evaluation. Internet Interventions 2014;1(2):74 [CrossRef]