Do not use a section heading. One or two paragraphs which concentrate on the relevance of the study to environmental contamination and toxicology suffice for this section. Do not use subheadings. Do not use subheadings. This heading is set in caps and lower case.
Acknowledgments appear as a separate paragraph two spaces below the last paragraph of text.
Place funding sources and disclaimers under this section. Acknowledgments are generally limited to six lines. Use all capitals for the section heading. References are single-spaced and appear in alphabetical order. References must be limited to one page.