title: Letter: Continuous blood-sampling.
mesh_terms: D001800:Blood Specimen Collection / Q000295:instrumentation / Q000379:methods*; D006493:Heparin; D006801:Humans; D010908:Pituitary Hormones, Anterior / Q000097:blood; D013997:Time Factors
chemical_list: D010908:Pituitary Hormones, Anterior; D006493:Heparin