vs.

abbr.

versus 对（比），与…相对；

Eigenfaces vs. Fisherfaces: Recognition Using ...
Eigenfaces vs. Fisherfaces: Recognition Using Class Specific Linear Projection
Gastrointestinal Toxicity With Celecoxib vs Nonsteroidal Anti-inflammatory Drugs for Osteoarthritis and Rheumatoid Arthritis: The CL...
Major outcomes in moderately hypercholesterolemic, hypertensive patients randomized to pravastatin vs usual care: The Antihypertensi...
The therapeutic efficacy of critical care units from two perspectives: a traditional cohort approach vs a new case-control methodolo...
Routine vs selective invasive strategies in patients with acute coronary syndromes: a collaborative meta-analysis of randomized tria...
A phase II study of temozolomide vs. procarbazine in patients with glioblastoma multiforme at first relapse
Marshall CJSpecificity of receptor tyrosine kinase signaling: Transient vs sustained extracellular signal-regulated kinase activatio...
Axillary dissection vs no axillary dissection in women with invasive breast cancer and sentinel node metastasis: a randomized clinic...
Short-term Quality-of-Life Outcomes Following Laparoscopic-Assisted Colectomy vs Open Colectomy for Colon Cancer: A Randomized Trial