title: A simple method of continuous blood withdrawal.
mesh_terms: D000172:Acromegaly / Q000097:blood*; D000328:Adult; D001132:Arm / Q000098:blood supply; D001800:Blood Specimen Collection / Q000295:instrumentation / Q000379:methods*; D002404:Catheterization; D005260:Female; D013006:Growth Hormone / Q000097:blood*; D006493:Heparin / Q000008:administration & dosage; D006801:Humans; D007263:Infusions, Parenteral; D008297:Male; D008875:Middle Aged; D012965:Sodium Chloride / Q000008:administration & dosage; D013594:Syringes; D014680:Veins
chemical_list: D012965:Sodium Chloride; D013006:Growth Hormone; D006493:Heparin