D. . Lidya Ichwana and Herryawan, “TOXIC SYMPTOMS IN WISTAR STRAIN RATS ON SINGLE AND REPEATED DOSAGE FROM THE EXTRACT OF RED BETEL LEAF (Piper crocatum) AS A TOXICITY TEST OF PERIODONTAL POCKET THERAPY”, JHDS, vol. 2, no. 3, pp. 439–454, Jan. 2023.