An herbal published in the UK ("A Modern Herbal," M. Grieve et. al.) in 1931
cites the "investigations of Bruning, who repeatedly drew attention to it (see
Zeitschrift fur exot. Path., 1906). In 1912 two Dutch physicians, both working
in Delhi, stated that this essential oil is the most effective remedy against
ankylostomiasis, the Hookworm disease."
Modern herbal materia medica from the People's Republic of China mention
numerous botanicals used traditionally against gut parasites. Anyone
Jack Forster, MS, L.Ac. (licensed acupuncturist, private practice, USA)