Antimicrobial Activity and Antibiotic Synergy of Saponin-Enriched Bark Extracts from Argania spinosa : Influence of Ecogeographical Origin. - Benlekhal, Fatma; Moumen, Ouahiba; Hadjab, Widad; Grzywaczyk, Adam; Smułek, Wojciech; Guzik, Urszula; Kharoubi, Omar (Microbiology Research, 2026)