Ahmad N, Naseem A, Saadat S, Shahnawaz M, Rafique M. TRACE ELEMENT ANALYSIS OF SOME MEDICINAL HERBS BY PROTON INDUCED X-RAY EMISSION (PIXE). The Nucleus [Internet]. 2013 Jul. 1 [cited 2024 Apr. 29];50(3):183-8. Available from: http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/746