462–467. PMID 3827277. doi:10.1001/archderm.1987.01660280064024. Poon, E.; Seed, P. T.; Greaves, M. W.; Kobza-Black, A. The extent and nature of disability
A.; Boyers, S. P.; Marshall, J. R.; Seed, R. W.; Louw, J. A.; Seed, R. G. Nonsurgical ovum transfer as a treatment in infertile women. Preliminary experience
ISBN 978-0-323-37727-0. OCLC 959274899. Pittler, Max H.; Ernst, Edzard. Horse chestnut seed extract for chronic venous insufficiency. The Cochrane Database of Systematic
71 (4): 411–418. doi:10.1111/j.1399-3054.1987.tb02876.x. Richard Seed, John; Seed, Thomas M.; Sechelski, John. The biological effects of tryptophol (indole-3-ethanol):