Holder A A, Blackman M J, Borre M, Burghaus P A, Chappel J A, Keen J K, Ling I T, Ogun S A, Owen C A, Sinha K A
Division of Parasitology, National Institute for Medical Research, London, U.K.
Biochem Soc Trans. 1994 May;22(2):291-5. doi: 10.1042/bst0220291.