Problem:
After doing his background research, Lukas decided to focus on the arguments in favor of and against adolescent vaccination for Human papillomavirus (HPV) in the United States. He searched "HPV vaccination" in a scholarly article database. He retrieved over 7,000 results with this search phrase. Which of the following keywords could he add to his search to effectively narrow his results to make them more relevant? Select all that apply. There may be more than one correct answer. Click the SAVE AND CONTINUE button when you are finished. Autism Book Controversy Effectiveness Measles Pros and cons