Links:
[1] https://saludnl.gob.mx/drupal/sites/default/files/u249/01%20CONV%202017.doc
[2] https://saludnl.gob.mx/drupal/sites/default/files/u249/01%20GASOLINA.docx
[3] https://saludnl.gob.mx/drupal/sites/default/files/u249/ja._codigos.pdf
[4] https://saludnl.gob.mx/drupal/sites/default/files/u249/ep.gas_n1.pdf
[5] https://saludnl.gob.mx/drupal/sites/default/files/u249/f.t._gas.pdf
[6] https://saludnl.gob.mx/drupal/sites/default/files/u249/ap._ec._gas.pdf
[7] https://saludnl.gob.mx/drupal/sites/default/files/u249/fe_gas.pdf