ซื้อInfusion Set/ Mark Dispose/ Needle Dispose No. 21 x 1.5/ Needle Dispose No. 25 x 1.5/ Scalp Vein No. 25/ N.G.Tube No. 14/ Syringe Insulin/ Syringe Irrigate/ Syringe 5 ml./ Syringe 20 ml./ Syringe ball No.5/ Thoracic Catheter No.28/ Thoracic Catheter No.36/ Extension Tube 18 โดยวิธีเฉพาะเจาะจง