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