This can happen when those structures used by the antibody to identify a target bacterium too closely resemble sites on body tissues.
(This; can happen; T:when those structures used by the antibody to identify a target bacterium too closely resemble sites on body tissues) (those structures; used; by the antibody; to identify a target bacterium) (those structures used by the antibody to identify a target bacterium; too closely resemble; sites on body tissues)
This those structures those structures used by the antibody to identify a target bacterium
can happen used too closely resemble
T:when those structures used by the antibody to identify a target bacterium too closely resemble sites on body tissues
by the antibody to identify a target bacterium
sites on body tissues