As a researcher interested in submitting a manuscript to 'Trials' journal, I need to understand the submission process. Please find the 'Instructions for authors' and identify the types of articles the journal publishes, the general scope of the journal, and any specific requirements for submitting a manuscript, such as ethical approval or trial registration.
Navigate to 'trialsjournal.biomedcentral.com'. Click on the 'Submission Guidelines' link (ID 263). From the 'Submission Guidelines' page, click on the 'Instructions for authors' link (ID 2081 or similar, depending on the current page context). Identify and list the types of articles 'Trials' journal publishes. Summarize the general scope of the journal. Locate and state any specific requirements mentioned for ethical approval and trial registration for submitted manuscripts. Synthesize all gathered information into a concise answer.
The agent successfully navigates to the 'Submission Guidelines' page. The agent successfully navigates to the 'Instructions for authors' page. The agent accurately lists at least three types of articles published by the journal (e.g., Original Research, Study Protocols, Reviews, Commentaries). The agent provides a concise summary of the journal's scope, indicating its focus on the methodology, conduct, and reporting of randomized controlled trials. The agent states the requirements for ethical approval for studies involving human participants or animals. The agent states the requirement for prospective registration of clinical trials in a public trials registry.