. 2015 Jan 21;4(1):e3. doi: 10.2196/resprot.4046
©Gladys Block, Kristen MJ Azar, Torin J Block, Robert J Romanelli, Heather Carpenter, Donald Hopkins, Latha Palaniappan, Clifford H Block. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 21.01.2015.
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