Talvez deva tentar algumas variações de ortografia:
absent during » absence during (Expandir a Pesquisa), present during (Expandir a Pesquisa), consent during (Expandir a Pesquisa)
during system » curing system (Expandir a Pesquisa), during systemic (Expandir a Pesquisa), curing systems (Expandir a Pesquisa)
detect nerve » direct nerve (Expandir a Pesquisa), detect neural (Expandir a Pesquisa), detect novel (Expandir a Pesquisa)
cenp nerve » cns nerve (Expandir a Pesquisa), deep nerve (Expandir a Pesquisa), cgrp nerve (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
j detect » j detects (Expandir a Pesquisa), je detect (Expandir a Pesquisa), _ detect (Expandir a Pesquisa)
l absent » _ absent (Expandir a Pesquisa), 1 absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
a cenp » _ cenp (Expandir a Pesquisa), a cena (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: (( a cenp nerve cat due ) or ((( j detect nerve cat due ) or ( l absent during system di ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a cenp nerve cat due ) OR ((( j detect nerve cat due ) OR ( l absent during system di )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a cenp nerve cat due ) or ((( j detect nerve cat due ) or ( l absent during system di ))))*.