Sentence:  In the present work <WSD>whole</WSD> sera have been fractionated by chromatography on DEAE-cellulose using single gradients similar to those described by Sober and Peterson , and certain chemical and serological properties of the fractions containing antibodies of the ABO and Rh systems have been described . 
Meaning of the word marked with <WSD> tags:  including all components without exception; being one unit or constituting the full amount or extent or duration; complete