%0 Journal Article
%T Tentative method to investigate the presence of residual marihuana in the hands of addicts, peddlers and pushers
%J Revista ecuatoriana de higiene y medicina tropical
%D 1969
%A Guerrero Losada, P. A.
%A Avilez Lasprillas, J.
%V 26
%N 1
%P 21-24
%X <p>[Abstract unavailable]</p><p>Language: es</p>
%G es
%I Instituto Nacional de Higiene y Medicina Tropical "Leopoldo Izquieta Pérez"
%@ 0013-0745
%U http://dx.doi.org/