【医】 seroresistance
serum
【化】 blood serum
【医】 blood sera; blood-serum; liquor sanguinis; oro-; orrho-; orrhos; sera
sero-; Serum
nay; no; non-; nope; not; without
【医】 a-; non-; un-
answer; echo; ought to; should; promise; respond; grant; deal with; suit