List of Articles centrifugation Open Access Article Abstract Page Full-Text 1 - Effects of Centrifugation and Different Levels of Soybean Lecithin-Based Extender on Post-Thaw Sperm Quality of Ghezel Ram Semen م. شمسالهی ح. دقیقکیا غ. مقدم ا. تقیزاده Open Access Article Abstract Page Full-Text 2 - Stallion Sperm Selection by Density Gradient CentrifugationInvolving a Double Layer Colloid: Effects on Sperm Subpopulation Dynamics in Fresh and Stored Semen جی. میرو ف. رکوئنا اچ. مارین جی. جردنا ای. آگوئرا