TY - JOUR T1 - Public health trials JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 234 LP - 234 DO - 10.1136/adc.88.3.234-a VL - 88 IS - 3 A2 - , Y1 - 2003/03/01 UR - http://adc.bmj.com/content/88/3/234.2.abstract N2 - Can we really be expected to look for randomised controlled trials to test the effectiveness of large scale community interventions? Is it really ethical to educate only some children specifically about the dangers of traffic, or to randomly allocate some children at high risk of abuse/neglect to health visiting and ignore others, or to treat some meningococcal contacts with ceftriaxone instead of rifampicin, in order to “prove” that an intervention … ER -