@article{articleff916427,
title   = {Steroidal saponin, 7-oxostigmasterol and diterpenes from Aspilia montevidensis},
author = {Bellini, Adalberto Antônio and Oliveira, Dionéia Camilo Rodrigues de and Vichnewski, Walter},
year = {1999},
doi = {10.1016/s0305-1978(98)00079-9},
journal   = {Biochemical Systematics and Ecology}
}