TY  - BOOK
AU  - Lefkovits,Ivan  .
AU  - Waldmann,Herman  .
TI  - Limiting dilution analysis of cells in the immune system / 
SN  - 0521227712
U1  - 616.0797 
PY  - 1979///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - IMMUNOLOGY
N1  - Includes bibliographical references and index
ER  -