Dennis Ra

Development of immunity in fetal dogs: humoral responses.

Griesemer Ra, J. Ro, Dennis Ra, 1969 .

Development of immunity in fetal dogs: skin allograft rejection.

Griesemer Ra, J. Ro, Dennis Ra, 1969 .

Intrauterine techniques for studying development of the immune response of the fetal dog.

Griesemer Ra, J. Ro, Dennis Ra, 1968 .