000
00291nam a2200097Ia 4500
008
160930s9999 xx 000 0 und d
100
_a
WHO
245
_a
WHO Technical Report Series 822: WHO Expert Committee on Biological Standardizat
260
_a
Geneva
_b
World Helth Organization
942
_c
BK
999
_c
2761
_d
2761