000
00274nam a2200109Ia 4500
008
220729s1997 xx 000 0 und d
041
_a
eng
100
_a
Roitt I
245
_a
Essential immunology
250
_a
9
260
_a
Germany
_b
Blackwell Scientific Publications
_c
1997
999
_c
131196
_d
131196