Pearn, 1967. Br. J. Exp. Path., 48 (6): 620-626 Document reference Pearn, J. H., 1967. Studies on a site-specific cleft palate teratogen. The toxic extract from Indigofera spicata Forssk. Br. J. Exp. Path., 48 (6): 620-626Web http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2093841/Citation key Pearn, 1967Datasheets Creeping indigo (Indigofera spicata and Indigofera hendecaphylla)