. 2011 Jun 29;13(2):e44. doi: 10.2196/jmir.1813
©Leah M Haverhals, Courtney A Lee, Katie A Siek, Carol A Darr, Sunny A Linnebur, J Mark Ruscin, Stephen E Ross. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 29.06.2011.
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