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Briesen S, Ng EY, Roberts H.Briesen S, et al. Among authors: roberts h.Clin Exp Optom. 2011 Mar;94(2):187-92. doi: 10.1111/j.1444-0938.2010.00567.x. Epub 2011 Jan 24.Clin Exp Optom. 2011.PMID: 21255077Free article.Clinical Trial.
Briesen S, Roberts H.Briesen S, et al. Among authors: roberts h.Ophthalmologe. 2012 May;109(5):462-7. doi: 10.1007/s00347-011-2513-8.Ophthalmologe. 2012.PMID: 22581047Clinical Trial.German.
Briesen S, Geneau R, Roberts H, Opiyo J, Courtright P.Briesen S, et al. Among authors: roberts h.Trop Med Int Health. 2010 May;15(5):534-9. doi: 10.1111/j.1365-3156.2010.02486.x. Epub 2010 Mar 1.Trop Med Int Health. 2010.PMID: 20214758Free article.
Briesen S, Schulze Schwering M, Roberts H, Kollmann M, Stachs O, Behrend D, Schäfer S, Guthoff R.Briesen S, et al. Among authors: roberts h.Eye (Lond). 2010 Jul;24(7):1279-83. doi: 10.1038/eye.2009.297. Epub 2009 Dec 4.Eye (Lond). 2010.PMID: 19960037
Briesen S, Roberts H, Finger RP.Briesen S, et al. Among authors: roberts h.Ophthalmic Epidemiol. 2014 Oct;21(5):297-306. doi: 10.3109/09286586.2014.950281. Epub 2014 Aug 18.Ophthalmic Epidemiol. 2014.PMID: 25133670