Talvez deva tentar algumas variações de ortografia:
recurrent serve » recurrent nerve (Expandir a Pesquisa), recurrent nerves (Expandir a Pesquisa), recurrent sore (Expandir a Pesquisa)
spinal serve » spinal nerve (Expandir a Pesquisa), spinal nerves (Expandir a Pesquisa), espinal nerve (Expandir a Pesquisa)
j recurrent » a recurrent (Expandir a Pesquisa), 1 recurrent (Expandir a Pesquisa), 2 recurrent (Expandir a Pesquisa)
serve canal » nerve canal (Expandir a Pesquisa), nerve canals (Expandir a Pesquisa), serves canada (Expandir a Pesquisa)
benzo serve » benzo serena (Expandir a Pesquisa)
serve cat » nerve cat (Expandir a Pesquisa), serve a (Expandir a Pesquisa), service cats (Expandir a Pesquisa)
canal da » canal de (Expandir a Pesquisa), canal a (Expandir a Pesquisa), canal do (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
j benzo » j bento (Expandir a Pesquisa), j benito (Expandir a Pesquisa), j benton (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 serve cat dis ) or ( a spinal serve canal da ))) or ( j benzo serve cat dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j recurrent serve cat dis ) OR ( a spinal serve canal da ))) OR ( j benzo serve cat dis ))*.