Randomized controlled trials define shape of dose response for Pollinex Quattro Birch allergoid immunotherapy
M. Worm, T. Higenbottam, O. Pfaar, R. Mösges, W. Aberer, K. Gunawardena, D. Wessiepe, D. Lee, M. F. Kramer, M. Skinner, B. Lees, S. Zielen Wiley Online Library, 2018