Source:
British medical journal (Clinical research ed.) [Br Med J (Clin Res Ed)] 1984 Nov 24; Vol. 289 (6456), pp. 1422-3.Publisher: British Medical Association Country of Publication: England NLM ID: 8302911 Publication Model: Print Cited Medium: Print ISSN:
Source:
The Journal of tropical medicine and hygiene [J Trop Med Hyg] 1986 Jun; Vol. 89 (3), pp. 119-21.Publisher: Published by the London School of Hygiene & Tropical Medicine by Blackwell Scientific Publications [etc.] Country of Publication: England NLM ID: 0406044