Maternal-fetal Rhesus (Rh) factor incompatibility in Arar, northern Saudi Arabia oleh Raghad Mubarak Aljuhaysh, Nagah Mohamed Abo El-Fetoh, Malak Ibrahim Alanazi, Afaf Shuaib Albaqawi, Wafa Mohammed Alanazi, Najah Salah Alanazi, Reham Muqbil Alanazi, Atheer Mutab Alanazi, Eiman Mohammad Alnemer, Rahma Abdulhadi Alenezi, asleem Khoudier Alabdullatif, Rehab Abdallah Alanazi, Samiyah Sarhan Alanazi, Kawthar Saeed Alsultan, Ibtisam Matan Alanazi, Duaa Sami Alsunayni