Kadar Serum Glutamat Piruvat Transaminase (SGPT) pada Tikus Wistar (Rattus norvegicus) Jantan yang Dipapar Stresor Rasa Sakit berupa Electrical Foot Shock selama 28 Hari (The Level of Serum Glutamic Pyrufic Transaminase [SGPT] on a Wistar [Rattus norvegic - Sari, Hesty Kumala (UPT Penerbitan Universitas Jember, 2015)