Darwis, A. F. and Lubis, W. H. (2016) “EFFECTIVENESS OF ANTIOXIDANT PSIDIUM GUAJAVA L LEAF EXTRACT TO MINOR TYPE RECURRENT STOMATITIS AFTOSA (RAS): EFEKTIVITAS ANTIOKSIDAN EKSTRAK DAUN PSIDIUM GUAJAVA L TERHADAP STOMATITIS AFTOSA REKUREN (SAR) TIPE MINOR”, Dentika: Dental Journal, 19(2), pp. 142–148. doi: 10.32734/dentika.v19i2.418.