Writing an article, 2400 words , the title is a critical analysis of

 writing an article, 2400 words , the title is A critical analysis of laser bleaching, the spacing max 1.5 in between lines / lettertype Arial or Times New Roman / fontsize max 12

i need to see these sub headings 

the article is about A critical analysis of laser bleaching( in dentistry )

includes;

abstract

– introduction

– Material & methods (= literature search)

– results

– discussion (your comments regarding the results)
– conclusion

references 

Writing an article, 2400 words , the title is a critical analysis of

 writing an article, 2400 words , the title is A critical analysis of laser bleaching, the spacing max 1.5 in between lines / lettertype Arial or Times New Roman / fontsize max 12

i need to see these sub headings 

the article is about A critical analysis of laser bleaching( in dentistry )

includes;

abstract

– introduction

– Material & methods (= literature search)

– results

– discussion (your comments regarding the results)
– conclusion

references