000
00236 a2200109 4500
005
20220712061014.0
022
_a
0264 410X
245
_a
Journal of Vaccine
260
_a
London
_b
Butterworths
_c
1988
490
_v
Vol. 6
942
_2
lcc
_c
CR
999
_c
35769
_d
35769