FLEXIBLE SIGMOIDOSCOPY
\flˈɛksɪbə͡l sˌɪɡmɔ͡ɪdˈɒskəpɪ], \flˈɛksɪbəl sˌɪɡmɔɪdˈɒskəpɪ], \f_l_ˈɛ_k_s_ɪ_b_əl s_ˌɪ_ɡ_m_ɔɪ_d_ˈɒ_s_k_ə_p_ɪ]\
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By Princeton University