Nuryahya, M. F. . Effectiveness Differences of Green Betel Leaves (Piper Betle Linn) and Red Betel Leaves (Piper Crocatum Ruis & Pav) Extract in Second Degree Burns Treatment in Increasing Granulation Tissue Thickness on Male White Rats (Rattus Norvegicus) Strain Wistar. MHJNS 2021, 1.