> Magda, am I recalling correctly that the study which identified such a wi= > ndow,=20 > was done on children with Down's syndrome?=20=20 all the children had abnormalities, I don't think all were Down's. This is from memory, don't even know if I still have study, after clear out a few years ago. Magda *********************************************** Archives: http://community.lsoft.com/archives/LACTNET.html To reach list owners: [log in to unmask] Mail all list management commands to: [log in to unmask] COMMANDS: 1. To temporarily stop your subscription write in the body of an email: set lactnet nomail 2. To start it again: set lactnet mail 3. To unsubscribe: unsubscribe lactnet 4. To get a comprehensive list of rules and directions: get lactnet welcome