Preliminary Acute Oral Toxicity Study of White Tea Leaf (Camellia sinensis (L.) Kuntze) Ethanolic Extracts, Ardiana, Lia, Ekayanti Meiliza, Najib Sarah Zielda, Sauriasari Rani, and Elya Berna , Pharmacognosy Journal, May 2017, Volume 9, Issue 4, p.479-482, (2017)