Natural Product Research and Development, Volume 25, Issue 12,2013, Pages 1627-1630,1637,
Natural Product Research and Development, Volume 25, Issue 12,2013, Pages 1644-1648,
Natural Product Research and Development, Volume 25, Issue 12,2013, Pages 1649-1652,
Natural Product Research and Development, Volume 25, Issue 12,2013, Pages 1676-1679,1703,
Natural Product Research and Development, Volume 25, Issue 12,2013, Pages 1673-1675,