Walach, H; Brinkhaus, B; Heusser, P; Melchart, D; Michalsen, A; Musial, F; Reiter, B; Saller, R (2013). 20 years and no wrinkles - a reason to be pround. Forschende Komplementärmedizin, 20:5-7.
Rostock, M; Naumann, J; Guethlin, C; Guenther, L; Bartsch, H H; Walach, H (2011). Classical homeopathy in the treatment of cancer patients - a prospective observational study of two independent cohorts. BMC Cancer, 11:19.
Guethlin, C; Walach, H; Naumann, J; Bartsch, H H; Rostock, M (2010). Characteristics of cancer patients using homeopathy compared with those in conventional care: a cross-sectional study. Annals of Oncology, 21(5):1094-1099.