Discussion Question:
Describe two historical events that have influenced the development of ethical codes and regulations for nursing and healthcare research. Explain how each event has impacted ethical codes and regulations. 
Your initial posting should be at least 400 words in length and utilize at least one scholarly source other than the textbook, Melnyk, B. M. & Fineout-Overholt, E. (2015). Evidence-based practice in nursing & healthcare: A guide to best practice (3rd ed.) Philadelphia, PA: Wolters Kluwer Health. ISBN: 978-1-4511-9094-6. Read Chapter 22.