@ARTICLE{
author={Seper Vesna,Korovljev Darinka B,Todorovic Nikola,Stajer Valdemar L,Ostojic Jelena V,Nesic Nebojsa,Ostojic Sergej M},
year={2021},
title={Guanidinoacetate-Creatine Supplementation Improves Functional Performance and Muscle and Brain Bioenergetics in the Elderly: A Pilot Study},
journal={ANNALS OF NUTRITION AND METABOLISM},
volume={77},
number={4},
pages={244-247},
document_type={Letter},
} 

@ARTICLE{
author={Zanini Dragana,Seper Vesna,Javorac Dejan,Stajer Valdemar L,Cvetkovic Milan,Batez Maja,Scepanovic Tijana,Korovljev Darinka B,Vasic Goran,Maksimovic Nebojsa Lj,Ostojic Sergej M},
year={2021},
title={Correlation between Serum FGF21 and Cognition in Men and Women Over 60 Years of Age},
journal={INTERNATIONAL JOURNAL OF GERONTOLOGY},
volume={15},
number={1},
pages={30-33},
document_type={Article},
}