@article{doi:10.1001/archinternmed.2011.1830, author = {Williams GC and Niemiec CP}, title = {Positive affect and self-affirmation are beneficial, but do they facilitate maintenance of health-behavior change?: A self-determination theory perspective: comment on “a randomized controlled trial of positive-affect intervention and medication adherence in hypertensive african americans”}, journal = {Archives of Internal Medicine}, volume = {172}, number = {4}, pages = {327-328}, year = {2012}, doi = {10.1001/archinternmed.2011.1830}, URL = { + http://dx.doi.org/10.1001/archinternmed.2011.1830}, eprint = {/data/Journals/INTEMED/22609/iic110008_327_328.pdf} }