| OR | a logical binary relation that is true if any argument is true, and false otherwise; [o]estrogen rec... |
|---|---|
| ORE | oil retention enema |
| SSE | saline solution enema; skin self-examination; soapsuds enema; steady state exercise; subacute spongi... |
| TWE | tap water enema; tepid water enema |
| ART | absolute retention time; Accredited Record Technician; acoustic reflex test; algebraic reconstructio... |