Links:
[1] https://saludnl.gob.mx/drupal/sites/default/files/u249/18%20CONV%2018.doc
[2] https://saludnl.gob.mx/drupal/sites/default/files/u249/BASES%20I38%20SUSTANCIAS%20QUIMICAS%20Y%20MATERIAL%20DE%20LABORATORIO.docx
[3] https://saludnl.gob.mx/drupal/sites/default/files/u249/JUNTA%20DE%20ACLARACIONES%20I38.pdf
[4] https://saludnl.gob.mx/drupal/sites/default/files/u249/SUST_Q_Y_MAT_DE_LAB_I38_EP_AT.pdf
[5] https://saludnl.gob.mx/drupal/sites/default/files/u249/SUST_Q_Y_MAT_DE_LAB_I38_FT.pdf
[6] https://saludnl.gob.mx/drupal/sites/default/files/u249/SUST_Q_Y_MAT_DE_LAB_I38_AE.pdf
[7] https://saludnl.gob.mx/drupal/sites/default/files/u249/SUST_Q_Y_MAT_DE_LAB_I38_FE.pdf