IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-13-3-55154 Original Research Paper Down Syndrome: Knowledge, Perception And Attitude Of The Nursing Staffs Working At The Primary Health Care Centers Of Al Ahsa District Of Saudi Arabia. Alshaikh Dr. Sara Abdullah Al Sultan Dr. Amal Hussain Alkhamis Dr. Khaira Mohammad Alkhalaf Dr. Khadija Moh'd Alsultan Dr. March 2024 13 3 01 02