Performance Characteristics of Sperm Detection by Microscopy and Purple Color Test for Acid Phosphatase in Vaginal Swabs of Sexual Crime Survivors. PUPJST [Internet]. 2021 Dec. 4 [cited 2025 Apr. 3];11(1):1-14. Available from: https://publishing.pup.edu.ph/ojs/index.php/PUP-JST/article/view/392