Bates, SJ; Winstanley, PA; Watkins, WM; Alloueche, A; Bwika, J; Happi, TC; Kremsner, PG; Kublin, JG; Premji, Z; Sibley, CH; (2004) Rare, highly pyrimethamine-resistant alleles of the Plasmodium falciparum dihydrofolate reductase gene from 5 African sites. The Journal of infectious diseases, 190 (10). p. 1783. ISSN 0022-1899 DOI: https://doi.org/10.1086/425078 Full text not available from this repository.

Ochong, E; Nzila, A; Kimani, S; Kokwaro, G; Mutabingwa, T; Watkins, W; Marsh, K; (2003) Molecular monitoring of the Leu-164 mutation of dihydrofolate reductase in a highly sulfadoxine/pyrimethamine-resistant area in Africa. Malaria journal, 2. art. no.-46. ISSN 1475-2875 DOI: https://doi.org/10.1186/1475-2875-2-46

Talisuna, AO; Langi, P; Mutabingwa, TK; Watkins, W; van Marck, E; Egwang, TG; D'Alessandro, U; (2003) Population-based validation of dihydrofolate reductase gene mutations for the prediction of sulfadoxine-pyrimethamine resistance in Uganda. Transactions of the Royal Society of Tropical Medicine and Hygiene, 97 (3). p. 338. ISSN 0035-9203 DOI: https://doi.org/10.1016/S0035-9203(03)90163-5 Full text not available from this repository.

Hankins, EG; Warhurst, DC; Sibley, CH; (2001) Novel alleles of the Plasmodium falciparum dhfr highly resistant to pyrimethamine and chlorcycloguanil, but not WR99210. Molecular and biochemical parasitology, 117 (1). pp. 91-102. ISSN 0166-6851 https://researchonline.lshtm.ac.uk/id/eprint/16301 Full text not available from this repository.