Rhinopharyngeal Retrograde Clearance is Effective to Adequate Upper Airways Function in Adults

NCT01976039 · clinicaltrials.gov ↗

NA

Phase

COMPLETED

Status

24

Enrollment

OTHER

Sponsor class

Conditions

Nasal Obstruction
Exposure to Pollution

Interventions

OTHER: rhinopharyngeal retrograde clearance (RRC)

Sponsor

University of Sao Paulo

Collaborators

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