平特五不中

Please be advised that a system update has been scheduled on the ScienceDirect platform for Sunday, March 11, resulting in some downtime. This is to adjust the system to the earlier starting date of Daylight Saving Time. It is anticipated that ScienceDirect will be unavailable for approximately 7 hours, starting at 1:00 am EST.

We apologize for any inconvenience this may cause.