Authors
N. Tolekova
Pediatric Surgery Clinic, UMBALSM “N. I. Pirogov”, Sofia, Bulgaria
T. Georgiev
Pediatric Surgery Clinic, UMBALSM “N. I. Pirogov”, Sofia, Bulgaria
N. Kartulev
Pediatric Surgery Clinic, UMBALSM “N. I. Pirogov”, Sofia, Bulgaria
N. Atanasova
Pediatric Surgery Clinic, UMBALSM “N. I. Pirogov”, Sofia, Bulgaria
K. Pamukova
Pediatric Surgery Clinic, UMBALSM “N. I. Pirogov”, Sofia, Bulgaria
E. Rangelov
Pediatric Surgery Clinic, UMBALSM “N. I. Pirogov”, Sofia, Bulgaria
H. Shivachev
Pediatric Surgery Clinic, UMBALSM “N. I. Pirogov”, Sofia, Bulgaria