Christensen T, Riis AH, Hatch EE, Wise LA, Nielsen MG, Rothman KJ, Toft Sorensen H, Mikkelsen EM. Costs and efficiency of online and offline recruitment methods: a web-based cohort study. J Med Internet Res. 2017 Mar 1;19(3):e58. doi: 10.2196/jmir.6716
Kulak AN, Grimes R, Kim YY, Semsarilar M, Anduix-Canto C, Cespedes O, Armes SP, Meldrum FC. Polymer-directed assembly of single crystal zinc oxide/magnetite nanocomposites under atmospheric and hydrothermal conditions. Chem Mater. 2016 Sep;28(20):7528-36. doi: 10.1021/acs.chemmater.6b03563
Dreyer NA, Loughlin JE, Rothman KJ. Epidemiologic safety surveillance of cellular telephones in the US. Radiat Prot Dosimetry. 1999 Jun;83(1):159-63.