1. Typhoid fever. In Brennemann's Practice of;Abt, I.A.; Abt, A.F.;Pediatrics,1966
2. The morbidity and mortality of enteric fever in British Guiana;Ashcroft, M.T.;W. Indian med. J,1962
3. Typhoid and paratyphoid fevers in the tropics;Ashcroft, M.T.;J. trop. Med. Hyg,1964
4. Typhoid fever. In Tice's Practice of;Barglow, D.R.;Medicine,(19i7).
5. Haemoglobinuria in typhoid fever. Report of two cases;Batty Shaw, A.;Lancet,1951