kessei
1. serum; blood serum
Noun
#41894
1. serum; blood serum
1. Wasn't serum.; Wasn't blood serum.
1. It's not serum.; It isn't serum.
1. Wasn't serum.; Wasn't plasma.
1. Was not serum.; Was not blood serum.
1. Serum.; Blood serum.
1. Was serum.
1. It is not serum.; It is not blood serum.
1. Probably serum.; Possibly blood serum.
1. It was not serum.; It wasn't blood serum.