title: Further improvements in the technique of trouble-free blood withdrawal.
mesh_terms: D000925:Anticoagulants; D001698:Biomedical Engineering; D001783:Blood Flow Velocity; D001800:Blood Specimen Collection / Q000295:instrumentation*; D002404:Catheterization / Q000295:instrumentation*; D011095:Polyethylenes; D013193:Stainless Steel
chemical_list: D000925:Anticoagulants; D011095:Polyethylenes; D013193:Stainless Steel