Article 2 nivolumab 2 ravulizumab 'bat' 1 (3 iodobenzyl)guanidine i 131 1 Cytomegalovirus antibody 1 Eculizumab 1 Food and Drug Administration 1 Intact light chain 1 Mass spectrometry 1 Orbitrap 1 Ravulizumab 1 Therapeutic monoclonal antibody 1 Time of flight 1 abatacept 1 abciximab 1 adynovate 1 aflibercept 1 agalsidase beta 1 albuked 1 albumin 1 albumin microsphere 1 albuminex 1 alglucosidase alfa 1 alpha 1 antitrypsin 1 alpha 1 antitrypsin concentrate 1 amino acid mixture plus electrolytes plus glucose plus lipids 1 amino acid sequence 1 amiodarone 1 amphotericin B 1