Clinical trial
[ar] تجربة سريرية
[ast] Ensayu clínicu
[bg] Клинично изпитване
[bn] রোগীভিত্তিক পরীক্ষণ
[ca] Assaig clínic
[cs] Klinická studie
[da] Klinisk undersøgelse
[dag] Clinical trial
[de] Klinische Studie
[es] Ensayo clínico