Abstract(頁93-94);Introduction(頁95-96);Literature Review(頁96-101);Significance of This Study(頁101-103);The Study(頁103-106);Material and Methods(頁106-111);Results and Discussion(頁111-119);Conclusions(頁119-122);Directions for Future Studies(頁122-123);Acknowledgements(頁124);References(頁125-130);Appendix(頁131-136)