death knell

n.

丧钟；导致失败（或终结、毁灭）的原因；

Death Knell
Death Knell.
Phosphatidylserine, a death knell.
Phosphatidylserine, a death knell. Cell Death
REVIEW Phosphatidylserine, a death knell#
The T cell death knell: immune-mediated tumor death in renal cell carcinoma
Money: Pension Alarm Bells Aren't a Death Knell for Investment
If phosphatidylserine is the death knell, a new phosphatidylserine-specific receptor is the bellringer.
Intracoronary brachytherapy: the death knell of restenosis or just another episode of a never-ending story?
Serum HER2 testing in patients with HER2-positive breast cancer: the death knell tolls