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Willcox M, Brohult J, Sirleaf V, Bengtsson E.Willcox M, et al. Among authors: sirleaf v.Trans R Soc Trop Med Hyg. 1979;73(2):209-11. doi: 10.1016/0035-9203(79)90214-1.Trans R Soc Trop Med Hyg. 1979.PMID: 473309
Björkman A, Brohult J, Sirleaf V, Willcox M, Bengtsson E.Björkman A, et al. Among authors: sirleaf v.Ann Trop Med Parasitol. 1980 Apr;74(2):245-8. doi: 10.1080/00034983.1980.11687336.Ann Trop Med Parasitol. 1980.PMID: 7002076No abstract available.