Talvez deva tentar algumas variações de ortografia:
recurrent nerve » recurrent neural (Expandir a Pesquisa)
absent active » absent native (Expandir a Pesquisa)
active system » active systems (Expandir a Pesquisa), active systemic (Expandir a Pesquisa), reactive system (Expandir a Pesquisa)
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
j recurrent » _ recurrent (Expandir a Pesquisa), a recurrent (Expandir a Pesquisa), 1 recurrent (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
j absent » _ absent (Expandir a Pesquisa), l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
nerve i » nerve _ (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
i due » _ due (Expandir a Pesquisa), i die (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 recurrent nerve i due ) or ((( j absent nerve i due ) or ( j absent active system dcs ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j recurrent nerve i due ) OR ((( j absent nerve i due ) OR ( j absent active system dcs )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j recurrent nerve i due ) or ((( j absent nerve i due ) or ( j absent active system dcs ))))*.