Batool, F. et al. 2024. Ultrasound for Identifying Gynecological and Obstetrical Etiologies of First-Trimester Pelvic Pain: Ultrasound and First-Trimester Pelvic Pain. Pakistan BioMedical Journal. 7, 07 (Jul. 2024), 14–18. DOI:https://doi.org/10.54393/pbmj.v7i07.1101.