机构:
Univ Colorado, Sch Med, Dept Otolaryngol, Aurora, CO USA
Childrens Hosp Colorado, Div Pediat Otolaryngol, Aurora, CO 80045 USAUniv Colorado, Sch Med, Dept Otolaryngol, Aurora, CO USA
机构:
Univ Malaya, Fac Med, Dept Med, Gastroenterol & Hepatol Unit, Kuala Lumpur, MalaysiaUniv Malaya, Fac Med, Dept Med, Gastroenterol & Hepatol Unit, Kuala Lumpur, Malaysia