000
00265 a2200097 4500
005
20220531223131.0
245
_a
MMWR-Morbidity and mortality weekly report
260
_a
Atlanta
_b
U.S department of health and human services
_c
1982
490
_v
Vol.31
942
_2
lcc
_c
CR
999
_c
26186
_d
26186