in group b , 6 cases , sniffing was a contributory factor to death : 2 cases of suffocation by obstruction , one case of carbon monoxide poisoning during fire , one case of septicemia/severe anemia caused by bone marrow depression , and one case of bleeding to death from stab wounds inflicted by a sniffer against a non-sniffer .
C0004044
suffocation
C0011065
death