A scientific manuscript is the original text of the authors’ work which will be submitted to the journal for publication. The manuscript’s structure follows strict criteria with a scientific method. It includes different sections that provide the reader with all needed information to understand what has been done in the research project, these sections could be differ depending on the type of study as well as the journal’s instructions that the authors will submit their manuscript to. However, in the following lines we will explain the most important sections of the manuscript and the points that must be taken into account while writing.

1. Title Page

2. Abstract and Keywords 

3. Introduction

4. Methods

5. Results

6. Discussion

7. Conclusion

8. Acknowledgment (if any)

9. References

• The last section to be written but it is the most important part of a paper 

• It should be a concise summary of the manuscript

• Abstract structure: Background and aim, Materials and methods, Results, and Discussion. 

should be short and focused, comprising approximately three paragraphs in one page.

1. The first paragraph: what is known.

2. The second paragraph: what is unknown.

3. The last paragraph: why the study was done 

The main aim of this section is to give the reader all the necessary details to replicate the study. CONSORT, STROBE and PRISMA statements provide a guideline relevant to the particular type of study.

It is necessary to provide a thorough explanation of the research methodology, including:

1. Study design

2. Time and place of the study 

3. Sample selection: including inclusion and exclusion criteria

4. Sampling technique and sample size 

5. Information collected throughout the study

6. Analysis principle

7. Ethical considerations

The study results must be presented in a logical sequence in the text. Overview of the study sample should be provided, followed by results related to the objective of the study. This section serves as a summary of the tables, but it should not replicate them, rather it should highlight the most important findings.