TY  - JOUR
TI  - Preface
AB  - -
AU  - Ak, Guntulu
DO  - 10.4103/ejop.ejop_34_20
PY  - 2020
JO  - Eurasian Journal of Pulmonology
VL  - 22
IS  - 1
SN  - 2148-3620
SP  - 1
EP  - 1
DB  - TRDizin
UR  - http://search/yayin/detay/1109816
ER  -