1. Origin of naturally occurring hemagglutinins and hemolysins: a review;Wiener;J. Immunol.,1951
2. Germfree research: a basic study in host contaminant relationship. II. Serologic observations in germfree animals;Wagner;Bull. N. Y. Acad. Med.,1955
3. A study of the normal and immune hemagglutinins of the domestic fowl with reference to their origin, specificity and identity;Bailey;Am. J. Hyg.,1923
4. Immunogenic origin of antihuman blood group agglutinins in germfree chicks;Springer;Federation Proc.,1958