Source: https://www.researchgate.net/profile/Mohammad-Moradi-58/publication/352642872_Basic_and_Clinical_PATHOPHYSIOLOGY_Assessment_of_Hyoscyamus_niger_seeds_alcoholic_extract_effects_on_acute_and_chronic_pain_in_male_NMRI_rats/links/60d1a38ca6fdcc01d48e9d03/Basic-and-Clinical-PATHOPHYSIOLOGY-Assessment-of-Hyoscyamus-niger-seeds-alcoholic-extract-effects-on-acute-and-chronic-pain-in-male-NMRI-rats.pdf