Talvez deva tentar algumas variações de ortografia:
drives system » drivers system (Expandir a Pesquisa), drives systems (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
curran nerve » current nerve (Expandir a Pesquisa), curran george (Expandir a Pesquisa), curran pierce (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
system delay » system data (Expandir a Pesquisa), system der (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
mrna drives » rna drives (Expandir a Pesquisa), mrna derived (Expandir a Pesquisa), dna drives (Expandir a Pesquisa)
j curran » j currie (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j beta » j beth (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: (( j curran nerve system dias ) or ((( j beta nerve case dis ) or ( 2 mrna drives system delay ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j curran nerve system dias ) OR ((( j beta nerve case dis ) OR ( 2 mrna drives system delay )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j curran nerve system dias ) or ((( j beta nerve case dis ) or ( 2 mrna drives system delay ))))*.