Awareness 1 Breast neoplasms 1 Breast self-examination Malaysia 1 adolescent 1 adult 1 article 1 awareness 1 breast cancer 1 breast examination 1 breast self examination 1 cancer risk 1 cancer screening 1 cancer therapy 1 cross-sectional study 1 ethnic group 1 female 1 health education 1 human 1 knowledge 1 perception 1 symptomatology 1 treatment outcome 1 university student 1