[Participation in courses in bronchoesophagology and laryngology in Philadelphia].
D004501:Education, Medical; D006801:Humans; D010036:Otolaryngology / Q000193:education*; D015143:Philadelphia
EDUCATION, MEDICAL; OTORHINOLARYNGOLOGY/education
Bronkoesofagologiaa ja laryngologiaa opiskelemassa Philadelphiassa.