Students trained to focus on vocal cord before intubation

Student trained to spray vocal cords with 3 ml normal saline over 30 seconds before intubation then allow them to introduce endotracheal tube

Inclusion Criteria:

• medical student

Exclusion Criteria:

• previous training on endotracheal intubation

Undergraduate medical student

Either through email contact with the corresponding author or through online Data sharing site {www.synapse.com}