000 00328nam a2200109Ia 4500
008 210804s1973||||xx |||||||||||||| ||und||
041 _aeng
245 0 _aCell mediated immunity and resistance to infection
_breport of a who scientific group
260 _aGeneva
_bWorl health organisation (who)
_c1973
300 _a64
942 _cBK
999 _c12742
_d12742