Comparative Study Between Intravenous Paracetamol and Intramuscular Tramadol as Intrapartum Labor Analgesics in Primigravida (Code-T0243). [s.l.] : Medical Thesis,2025. Disponível em: https://medicalthesis.org/index.php/mt/catalog/book/249. Acesso em: 20 apr. 2025.