cinefluoroscopy swallow anteroposterior projection percent of swallow bolus reaches left vallecula
cinefluoroscopy swallow anteroposterior projection percent of swallow bolus reaches left vallecula
cinefluoroscopy swallow anteroposterior projection percent of swallow bolus reaches left vallecula (procedure)
cinefluoroscopy swallow anteroposterior projection percent of swallow bolus reaches left vallecula (procedure)