Lack of in vitro antihyaluronidase activity of methanolic leaf extract of Indigofera tinctoria L and methanolic stem bark extract of Stereospermum suaveolens DC. Journal of Pharmaceutical Negative Results [Internet]. 2015 Jan. 28 [cited 2026 Jun. 19];6(1):40-3. Available from: https://pnrjournal.com/index.php/home/article/view/90