1390-86181390-8618S1390-8618202100020034710.17163/ret.n22.2021.10ChileChileChile00032021000320211122347362201920172020201920152002201520102008201120202007201620202005200919972006200720132021201720051991202120152017Ministerio de Salud, Chile.201319981996199819362020197620182020201519622018201620041998201320152007199819202017