biochemical and biological substances for medical diagnostics and analysis, namely, detection of anti-PEG antibodies, anti-POEGMA antibodies, other immunogenic responses that hinder a therapeutic intervention, and companion diagnostics; pharmaceutical and veterinary preparations for medical purposes, including contrast agents and contrast media used in medical imaging such as contrast media used for X-ray, MRI, or ultrasound imaging; Therapeutic peptides, proteins, small molecules, antibodies...