Engystol reduces onset of experimental respiratory syncytial virus-induced respiratory inflammation in mice by modulating macrophage phagocytic capacity - Wronski S, Dannenmaier J, Schild S, Macke O, Müller L, Burmeister Y, Seilheimer B, Müller M.
Effects of the homeopathic preparation Engystol on interferon-gamma production by human T-lymphocytes - Enbergs H.
Antiviral activity of Engystol: an in vitro analysis - Oberbaum M, Glatthaar-Saalmüller B, Stolt P, Weiser M.
Immunomodulatory effect of the homoeopathic drug Engystol-N on some activities of isolated human leukocytes and in whole blood - Fimiani V, Cavallaro A, Ainis O, Bottari C.
A complex homeopathic preparation for the symptomatic treatmentof upper respiratory infections associated with the common cold: An observational study - Schmiedel V, Klein P.