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Mzembe SA, Lloyd S, Soulsby EJ.Mzembe SA, et al. Among authors: lloyd s.Z Parasitenkd. 1984;70(6):753-61. doi: 10.1007/BF00927128.Z Parasitenkd. 1984.PMID: 6549241
Bailey M, Kent J, Martin SC, Lloyd S, Soulsby EJ.Bailey M, et al. Among authors: lloyd s.Vet Rec. 1984 Aug 18;115(7):144-7. doi: 10.1136/vr.115.7.144.Vet Rec. 1984.PMID: 6485222