TY - JOUR AU - Akers, Laura AU - Gordon, Judith S PY - 2018 DA - 2018/11/08 TI - Using Facebook for Large-Scale Online Randomized Clinical Trial Recruitment: Effective Advertising Strategies JO - J Med Internet Res SP - e290 VL - 20 IS - 11 KW - research subject recruitment KW - advertisements KW - social media SN - 1438-8871 UR - http://www.jmir.org/2018/11/e290/ UR - https://doi.org/10.2196/jmir.9372 UR - http://www.ncbi.nlm.nih.gov/pubmed/30409765 DO - 10.2196/jmir.9372 ID - info:doi/10.2196/jmir.9372 ER -