Draw all major resonance contributors of the species below. 
Definitions:
Enteric Tube
A tube used to deliver food, fluids, and medications directly into the stomach or small intestine.
Nasointestinal Aspirate
A sample of fluid removed from the upper part of the small intestine through a tube inserted via the nose.
Gastric Aspirate
The process of removing the contents of the stomach through a tube for diagnostic or therapeutic purposes.
Enteral Access Device
A medical device used to deliver nutrition directly into the stomach or intestine for patients unable to eat by mouth.
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