Subchronic Toxicity Studies of a Combined Andrographis paniculata (Burm.f.) Nees, Syzygium cumini (L) Skeels, and Caesalpinia sappan L Extract in Sprague-Dawley Rats, Solawati, Atini, Elya Berna, Setiawan Heri, and Pratiwi Raysa Yunda , Pharmacognosy Journal, June 2022, Volume 14, Issue 3, p.531-535, (2022)