In Which Ways Does the Drug Heparin Compare to the Drug

In which ways does the drug heparin compare to the drug warfarin? Select all that apply.

A) Both heparin and warfarin are based on an activated partial thromboplastin time (aPTT) value, which requires 30 to 45 seconds.
B) Both heparin and warfarin are administered intravenously or subcutaneously.
C) Both heparin and warfarin are anticoagulant drugs.
D) Both heparin and warfarin take the same amount of time to reach therapeutic levels.
E) Both heparin and warfarin have bleeding as a side effect.