Talvez deva tentar algumas variações de ortografia:
absent nerve » bent nerve (Expandir a Pesquisa), abducent nerve (Expandir a Pesquisa), augment nerve (Expandir a Pesquisa)
nerve system » nervous system (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
treat nerve » treat service (Expandir a Pesquisa), direct nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dds (Expandir a Pesquisa)
nerve cut » nerve cat (Expandir a Pesquisa), nerve ct (Expandir a Pesquisa), nerve cuff (Expandir a Pesquisa)
c1 absent » 1 absent (Expandir a Pesquisa), _ absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa)
j treat » j threat (Expandir a Pesquisa), a treat (Expandir a Pesquisa), j trent (Expandir a Pesquisa)
cut dis » cut disk (Expandir a Pesquisa), cut discs (Expandir a Pesquisa), cut dian (Expandir a Pesquisa)
j rat » j rath (Expandir a Pesquisa), _ rat (Expandir a Pesquisa), a rat (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 treat nerve cut dis ) or ( j rat nerve cut dis ))) or ( c1 absent nerve system dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j treat nerve cut dis ) OR ( j rat nerve cut dis ))) OR ( c1 absent nerve system dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j treat nerve cut dis ) or ( j rat nerve cut dis ))) or ( c1 absent nerve system dis ))*.