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. 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 a portion of urine collected from an organism are we happy calling collection of urine a material separation? urine specimen tissue specimen collecting specimen from organism urine metadata complete