关于sporadic的百科

• sporadic case造句怎么写

• Inepidemiologicalterms,thereisgenerallyabackgroundofsporadiccases,withoccasionaloutbreaks.MeningococcaldiseaseisendemicinDelhiandsporadiccasesofmeningococcalmeningitishavebeenoccurringinDelhiinpreviousyears.Forfivelongyears,countriesinseveralpartsoft...
• 2017-07-235012