What can be learnt from nothing? ― A statistical perspectiveGEFELLER, Olaf; PFAHLBERG, Annette B; UTER, Wolfgang et al.Contact dermatitis. 2013, Vol 69, Num 6, pp 350-354, issn 0105-1873, 5 p.Article

The relation between patterns of vacation sun exposure and the development of acquired melanocytic nevi in German children 6-7 years of ageGEFELLER, Olaf; TARANTINO, Jasmin; LEDERER, Peter et al.American journal of epidemiology. 2007, Vol 165, Num 10, pp 1162-1169, issn 0002-9262, 8 p.Article

Randomized trial of acupuncture to lower blood pressureFLACHSKAMPF, Frank A; GALLASCH, Joachim; GEFELLER, Olaf et al.Circulation (New York, N.Y.). 2007, Vol 115, Num 24, pp 3121-3129, issn 0009-7322, 9 p.Article