23 Konin Konin C C Adoh Adoh M M Adoubi Adoubi A A Anzouan-Kacou Anzouan-Kacou JB JB Azagoh Azagoh R R N'guetta N'guetta R R [Unusual venous thrombosis revealing a human immunodeficiency virus infection and a protein S deficiency. Here, PROS1 is linked to deep vein thrombosis.