[Why there should exist voluntary blood donor associations in all cities and important localities of this country and in all the nations of the world: some important concepts for their better foundation and organization].
D001782:Blood Donors; D001803:Blood Transfusion; D002947:Cities; D006801:Humans; D009938:Organizations
BLOOD TRANSFUSION
Por qué deben existir asociaciones de dadores voluntarios de sangre en todas las ciudades y localidades importante de mi pais y de todas las naciones del mundo.