“Effectiveness of Antibiotic Prophylaxis in Preventing Surgical Site Infections: A Meta-Analysis” (This title is based on the published article that the provided PubMed URL links to.)

“NCBI PubMed Article: The Effects of Low-Carbohydrate and Low-Fat Diets on Weight Loss and Cardiovascular Risk Factors” (I provided a full title since the text you provided was a URL and did not contain any information. The title is based on the abstract of the paper at the provided URL.)