TY - BOOK AU - Morrow, R.H. AU - Smith, Peter G., ED - Special Programme for Research and Training in Tropical Diseases. TI - Methods for field trials of interventions against tropical diseases: a 'toolbox' T2 - Oxford Medical Publications SN - 0-19-262018-5 U1 - 616.9'883 PY - 1991/// CY - Oxford ; N. Y. PB - Oxford University Press KW - Investigación KW - Métodos - KW - Medicina Tropical KW - Metodología - KW - Países en Desarrollo KW - Investigación - ER -