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The ‘introduction’ has no heading, and starts with the first letter of the first word as a large bold capital (drop cap), not indented. The remainder of text is usually divided into the main headings MATERIALS AND METHODS, RESULTS, DISCUSSION and REFERENCES, but these are not obligatory (e.g., combining RESULTS AND DISCUSSION is acceptable and often preferable, to avoid repetition).
Headings and sub-headings follow the hierarchy: CAPITALS, LEFT SIDE; italic sub-heading with text on next line, indented; italic sub-sub-heading, followed by a colon, with text on same line. These three types of heading should be sufficient. Leave one line space between text and next (sub) heading.
Acknowledgements (no heading) follow after the end of the main text, leaving only one extra line. |
