Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SINGH Inderbir and KUMAR Pradeep and KUMAR Sanjeev and RANA Vikas,Formulation and Development of Matrix Tablets of Tramadol Using Katira Gum as Release Modifier,YAKUGAKU ZASSHI,00316903,The Pharmaceutical Society of Japan,2010-09-01,130,9,1225-1231,https://cir.nii.ac.jp/crid/1390282681105251968,https://doi.org/10.1248/yakushi.130.1225