000 00272nam a2200109Ia 4500
008 220729s1986 xx 000 0 und d
041 _aeng
100 _aRoitt.I.M
245 _aEssential immunology
250 _a6
260 _aNew Delhi
_bELBS/ Churchill Livingstone
_c1986
999 _c128444
_d128444