is_specified_output_of
has role
derives from
specimen role
urine specimen
4/10/2011BP: It seems to me that the editor notes refer to a previous version, and are no longer relevant.
a portion of urine collected from an organism
are we happy calling collection of urine a material separation?
urine specimen
This could be instead a kind of collection of secreted stuff. Among secreted stuff there is passive, and active. urine is secreted, passiv. lavage is secreted, active
specimen from organism
collecting specimen from organism
urine
metadata complete