SURGICAL VALVES
\sˈɜːd͡ʒɪkə͡l vˈalvz], \sˈɜːdʒɪkəl vˈalvz], \s_ˈɜː_dʒ_ɪ_k_əl v_ˈa_l_v_z]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.