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Recomendaciones provisionales sobre el uso de la vacuna CanSinoBIO Ad5-nCoV-S [‎recombinante]‎ (‎Convidecia™)‎ contra la COVID-19: orientaciones provisionales, primera publicación: 19 de mayo de 2022

World Health Organization WHO (2022) CC
Organización Mundial de la Salud. (‎2022)‎. Recomendaciones provisionales sobre el uso de la vacuna CanSinoBIO Ad5-nCoV-S [‎recombinante]‎ (‎Convidecia™)‎ contra la COVID-19: orientaciones provisionales, primera publicación: 19 de mayo de 2022.
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Coronavirus (COVID-19) - Imperial College London

Imperial College London Imperial Collage London (2020) C2
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Salas de consumo supervisado de droga: una visión general de los servicios prestados y los datos disponibles

Observatorio Europeo de las Drogas y las Toxicomanías (2018) C2
Perspectivas sobre las drogas