Sentence:  Abelson and Rawson , using a stepwise elution scheme , fractionated <WSD>whole</WSD> sera containing ABO and Rh antibodies on diethylaminoethyl DEAE cellulose and carboxymethyl cellulose . 
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