@ARTICLE{
author={Ostojic Sergej M,Niess Barbara,Stojanovic Marko DM,Idrizovic Kemal},
year={2014},
title={Serum creatine, creatinine and total homocysteine concentration-time profiles after a single oral dose of guanidinoacetic acid in humans},
journal={JOURNAL OF FUNCTIONAL FOODS},
volume={6},
number={},
pages={598-605},
document_type={Article},
} 

@ARTICLE{
author={Ostojic Sergej M,Niess Barbara,Stojanovic Marko DM,Obrenovic Milos},
year={2013},
title={Co-administration of methyl donors along with guanidinoacetic acid reduces the incidence of hyperhomocysteinaemia compared with guanidinoacetic acid administration alone},
journal={BRITISH JOURNAL OF NUTRITION},
volume={110},
number={5},
pages={865-870},
document_type={Article},
} 

@ARTICLE{
author={Ostojic Sergej M,Niess Barbara,Stojanovic Marko DM,Obrenovic Milos},
year={2013},
title={Creatine Metabolism and Safety Profiles after Six-Week Oral Guanidinoacetic Acid Administration in Healthy Humans},
journal={INTERNATIONAL JOURNAL OF MEDICAL SCIENCES},
volume={10},
number={2},
pages={141-147},
document_type={Article},
}