IRCT201208064329N4 IRCT 2013-03-24 Tehran University of Medical Sciences. Deputy of research Evaluation of Mobile Learning via Short Message Service in learning rate Assessment of the rate of learning about breast cancer screening via data transfer by short message service (sms) by self exam and Assessment of the rate of saticfection in female nurses of Tehran University of Medical Sciences 2013-04-19 anticipated 4000 Complete https://irct.ir/trial/4609 interventional Randomization: N/A, Blinding: Not blinded, Placebo: Not used, Assignment: Single, Purpose: Other. N/A The learning. Intervention included:Electronic Learning Method : 1-4 messages about breast cancer screening are sent via cell phone to the nurses during 12 days..