The challenges of recruitment in clinical trials in developing countries: the Mycetoma Research Centre experience von Omer, Rowa Fathelrahman, Ahmed, Eiman Siddig, Ali, Buthyna Mamoun, Alhaj, Hana E, Bakhiet, Sahar Mubarak, Mohamed, El Samani Wadaa, Strub-Wourgaft, Nathalie, Fahal, Ahmed Hassan

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