TY  - BOOK
AU  - Watkins,Winifred
TI  - The appearance of H Specificity following the enzymic inactivation of blood group B substance
UR  - https://drive.google.com/file/d/18JlTEYWAtuvYfGywljyUzmfoy1iCNNv6/view?usp=drivesdk
ER  -