Centuries: 2nd century - 3rd century - 4th century
Decades: 190s 200s 210s 220s 230s - 240s - 250s 260s 270s 280s 290s
Years: 237 238 239 240 241 - 242 - 243 244 245 246 247
Births
Deaths
... to lie to a patient about the chance of success of their treatment. Quacks do not have these ethical constraints. Side effects from real treatment. Anti-cance ...