Safety of artemisinins in first trimester of prospectively followed pregnancies: an observational study - Moore, K; Simpson, J; Paw, M; Pimanpanarak, M; Wiladphaingern, J; Rijken, M; Jittamala, P; White, N; Fowkes, F; Nosten, F; McGready, R (Lancet Infectious Diseases, 2016)