S. Hilfiker

发表

Sandra Williams Hilfiker, Theresa Devine, Huijuan Wu, 2016, Journal of medical Internet research.

Manuel K. Schneider, Andreas Lüscher, A. Lüscher, 2014, PloS one.

R. Craig Lefebvre, Yuri Tada, Sandra Williams Hilfiker, 2010, J. Comput. Mediat. Commun..

Katrina L. Piercy, S. Hilfiker, S. Arayasirikul, 2020, Journal of physical activity & health.

Sandra Williams Hilfiker, Stephanie Santana, Megan Freedman, 2019, Inf. Serv. Use.