Eboka CJ. Colormetric Determinatton Of Tetracycline Hydrochloride With 4-Nitrobenzenediazonium Hydrogen Sulphate. PSNNJP [Internet]. 2005 Oct. 1 [cited 2024 Sep. 19];37(1). Available from: http://mail.psnnjp.org/index.php/home/article/view/404