@article{article9035173d,
title   = {Flavonoids from the ferns blechnum regnellianum and pityrogramma ebenea},
author = {Miraglia, M C M and Padua, A P and Mesquita, A A L and Gottlieb, O R},
year = {1985},
doi = {10.1016/s0031-9422(00)83205-7},
journal   = {Phytochemistry}
}