Dual Extraction of Essential Oil and Podophyllotoxin from Creeping Juniper (Juniperus horizontalis) Cantrell, Charles L. ; Zheljazkov, Valtcho D. ; Carvalho, Camila R. ; Astatkie, Tess ; Jeliazkova, Ekaterina A. ; Rosa, Luiz H. Abstract Publication: PLoS ONE Pub Date: September 2014 DOI: 10.1371/journal.pone.0106057 Bibcode: 2014PLoSO...9j6057C