A phase I trial to evaluate the safety and pharmacokinetics of low-dose methotrexate as an anti-malarial drug in Kenyan adult healthy volunteers. by Chilengi, R, Juma, R, Abdallah, A, Bashraheil, M, Lodenyo, H, Nyakundi, P, Anabwani, E, Salim, A, Mwambingu, G, Wenwa, E, Jemutai, J, Kipkeu, C, Oyoo, G, Muchohi, SN, Kokwaro, G, Niehues, T, Lang, T, Nzila, A