Associations between BMI and visual impairment of 33 407 preschool children in Germany: a pooled cross-sectional study

2020 Weina Liu, Rainer Schwertz, Andreas Welker, Judith Welker, Simiao Chen, Peter Dambach, Michael Marx. 

Associations between BMI and visual impairment of 33 407 preschool children in Germany: a pooled cross-sectional study. 

National Library of Medicine, National Center for Biotechnology Information.

PMID: 33111144  DOI: 10.1093/eurpub/ckaa185