Elham Kamgar, Aleksandra Spryszyńska, Joanna Zembrzuska, Przemysław Łukasz Kowalczewski, Massoud Kaykhaii. "Plant-derived phenolic acids in Shilajit: a comparative HPLC–MS/MS analysis across five regions." Scientific Reports, 2026. doi:10.1038/s41598-026-40090-9