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Authors
Al-Taj, Mansour Abdu
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Article History
Received: 13 June 2025
Accepted: 2 September 2025
First Online: 30 September 2025
Declarations
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: The study received approval from the Ethics Committee of the Faculty of Medicine and Health Sciences, Sana’a University. Permission was granted by the National Oncology Center and the hospitals in Sana’a City. Due to the high percentage of illiteracy among the respondents, verbal informed consent was obtained from both cases and controls and was documented in the presence of health workers.
: Not applicable.
: The authors declare no competing interests.
