| rSr | an electrocardiographic complex |
|---|---|
| SC | conditioned stimulus; sacrococcygeal; Sanitary Corps; scalenus [muscle]; scapula; Schwann cell; scia... |
| SFMC | soluble fibrin monomer complex |
| SPC | salicylamide, phenacetin, and caffeine; seropositive carrier; single palmar crease; single photoelec... |
| TAT | tetanus antitoxin; thematic apperception test; thematic aptitude test; thrombin-antithrombin complex... |