focused microwave assisted extraction

, Reis LCaribé Ba, , Branco CRodrigues, Ferreira SLuis da Co, David JMauricio, et al.. Betulinic acid from Zizyphus Joazeiro bark using focused microwave-assisted extraction and response surface methodology. Pharmacognosy Magazine [Internet]. 2017;13(50):226-229. https://www.ncbi.nlm.nih.gov/pubmed/28539712