أرسل هذا في رسالة قصيرة: Sequential injection spectrophotometric determination of tetracycline antibiotics in pharmaceutical preparations and their residues in honey and milk samples using yttrium (III) and cationic surfactant

  _____     ______   _____       ___              
 / ____||  /_   _// |  __ \\    / _ \\      ___   
/ //---`'   -| ||-  | |  \ ||  | / \ ||    /   || 
\ \\___     _| ||_  | |__/ ||  | \_/ ||   | [] || 
 \_____||  /_____// |_____//    \___//     \__ || 
  `----`   `-----`   -----`     `---`       -|_|| 
                                             `-`