Grela et al., 2007. Herba Polonica, 53 (3): 343-349 Document reference Grela, E. R. ; Gruszczyk, M. ; Czech, A., 2007. Efficacy of herbs mixture use in grower-finisher pig diets. Herba Polonica, 53 (3): 343-349Citation key Grela et al., 2007Datasheets Ribwort plantain (Plantago lanceolata)