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Papers by Usama Munir
Journal of Mathematics
In quantitative structure-property and structure-activity relationships studies, several graph in... more In quantitative structure-property and structure-activity relationships studies, several graph invariants, namely, topological indices have been defined and studied due to their numerous applications in computer networks, biotechnology, and nanochemistry. Topological indices are numeric parameters that describe the biological, physical, and chemical properties depending on the structure and topology of different chemical compounds. In this article, we inaugurated some degree-based novel indices, namely, geometric-harmonic GHI , harmonic-geometric HGI , neighborhood harmonic-geometric NHGI , and neighborhood geometric-harmonic NGHI indices and verified their chemical applicability. Furthermore, an attempt is made to calculate analytical closed formulas for different variants of silicon carbides and analyze the obtained results graphically.
Australasian Psychiatry
Objective: To determine the frequency and quality of physical examinations within 24 h of admissi... more Objective: To determine the frequency and quality of physical examinations within 24 h of admission to an acute adult psychiatry unit, and whether a brief intervention involving feedback to clinicians could lead to improvement. Method: Retrospective review of the electronic medical records followed by four brief feedback sessions and email correspondence, followed by a further review of the medical records 1 month later. Results: The proportion of patients receiving a physical examination increased from 36/71 (50.7%) in the initial audit to 41/64 (64.1%) in the re-audit. The mean score of the quality of physical examinations improved from 7.5 to 9.3 (out of 15). The greatest improvement on re-audit occurred in the documentation of additional cardiac sounds (33.9% increase), additional breath sounds (17.7% increase), breath sounds (17.1% increase), cardiac sounds (14.2% increase) and bowel sounds (12.5% increase). Conclusion: This audit supports the use of brief peer-led feedback to ...
Journal of Mathematics
In quantitative structure-property and structure-activity relationships studies, several graph in... more In quantitative structure-property and structure-activity relationships studies, several graph invariants, namely, topological indices have been defined and studied due to their numerous applications in computer networks, biotechnology, and nanochemistry. Topological indices are numeric parameters that describe the biological, physical, and chemical properties depending on the structure and topology of different chemical compounds. In this article, we inaugurated some degree-based novel indices, namely, geometric-harmonic GHI , harmonic-geometric HGI , neighborhood harmonic-geometric NHGI , and neighborhood geometric-harmonic NGHI indices and verified their chemical applicability. Furthermore, an attempt is made to calculate analytical closed formulas for different variants of silicon carbides and analyze the obtained results graphically.
Australasian Psychiatry
Objective: To determine the frequency and quality of physical examinations within 24 h of admissi... more Objective: To determine the frequency and quality of physical examinations within 24 h of admission to an acute adult psychiatry unit, and whether a brief intervention involving feedback to clinicians could lead to improvement. Method: Retrospective review of the electronic medical records followed by four brief feedback sessions and email correspondence, followed by a further review of the medical records 1 month later. Results: The proportion of patients receiving a physical examination increased from 36/71 (50.7%) in the initial audit to 41/64 (64.1%) in the re-audit. The mean score of the quality of physical examinations improved from 7.5 to 9.3 (out of 15). The greatest improvement on re-audit occurred in the documentation of additional cardiac sounds (33.9% increase), additional breath sounds (17.7% increase), breath sounds (17.1% increase), cardiac sounds (14.2% increase) and bowel sounds (12.5% increase). Conclusion: This audit supports the use of brief peer-led feedback to ...