Pengaruh kombinasi depot medroksiprogesteron asetat dan ekstrak cabe jawa terhadap berat testis dan penurunan diameter tubulus seiminiferus, sel-sel spermatogenik serta sel leydig tikus = Effect of combination of depot medroxyprogesterone acetate and javanesse long pepper toward testis weight and the decreasing of seminiferous tubules diameter, population of spermatogenic cells and Leydig cell of rat