Retraction notice to “In vivo inhibition of tumor progression by 5 hydroxy-1,4-naphthoquinone (juglone) and 2-(4-hydroxyanilino)-1,4-naphthoquinone (Q7) in combination with ascorbate” [Biochem. Biophys. Res. Commun. 477 (2016) 640–646] - Retraction Notice | RetractBase