Links:
[1] https://saludnl.gob.mx/drupal/sites/default/files/u249/24%20CONV%202017.doc
[2] https://saludnl.gob.mx/drupal/sites/default/files/u249/53%20MANEJADORAS%20DE%20AIRE.docx
[3] https://saludnl.gob.mx/drupal/sites/default/files/u249/N53%20JUNTA.pdf
[4] https://saludnl.gob.mx/drupal/sites/default/files/u249/N53%20EP%20AT.pdf
[5] https://saludnl.gob.mx/drupal/sites/default/files/u249/n53-fallo%20tecnico.pdf
[6] https://saludnl.gob.mx/drupal/sites/default/files/u249/n53-apertura%20economica.pdf
[7] https://saludnl.gob.mx/drupal/sites/default/files/u249/n53-fallo%20economico.pdf