TY  - JOUR 
T1  - 25-Hydroxyl Vitamin D Deficiency in Nasal Polyposis
JO  - International Archives of Otorhinolaryngology
A1  - Chandrakar, Ankur Kumar
A1  - Alexander, Arun
A1  - R., Medha
A1  - Rajendiran, Kalaiselvi
A1  - Ramasamy, Karthikeyan
SN  - 1809-4864
UL  - 10.1055/s-0039-3399541
VL  - 24 
Y1  - 2020
PB  - Brasil 
ER  -