Schäfer, H. H., De Villiers, J. D., Sudano, I., Dischinger, S., Theus, G.-R., Zilla, P., & Dieterle, T. (2012). Recommendations for the treatment of hypertension in the elderly and very elderly – a scotoma within international guidelines. Swiss Medical Weekly, 142(1920), w13574. https://doi.org/10.4414/smw.2012.13574