Talvez deva tentar algumas variações de ortografia:
currents active » current active (Expandir a Pesquisa), currents activate (Expandir a Pesquisa), currently active (Expandir a Pesquisa)
active cas9 » active case (Expandir a Pesquisa), inactive cas9 (Expandir a Pesquisa), active cases (Expandir a Pesquisa)
nerve cases » nerve case (Expandir a Pesquisa), nerve caused (Expandir a Pesquisa), nerve changes (Expandir a Pesquisa)
senal merve » senol merve (Expandir a Pesquisa), sena herve (Expandir a Pesquisa), meral merve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
cases does » causes does (Expandir a Pesquisa), case does (Expandir a Pesquisa), cases dos (Expandir a Pesquisa)
merve can » nerve can (Expandir a Pesquisa)
cas9 dis » cas9 dsbs (Expandir a Pesquisa), cas9 dna (Expandir a Pesquisa), cas9 do (Expandir a Pesquisa)
ai cent » i cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa), ai centri (Expandir a Pesquisa)
j senal » j segal (Expandir a Pesquisa), j sena (Expandir a Pesquisa), j selala (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( _ currents active cas9 dis ) or ( ai cent nerve cases does ))) or ( j senal merve can dcs ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ currents active cas9 dis ) OR ( ai cent nerve cases does ))) OR ( j senal merve can dcs ))*.