Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
absent data » absence data (Expandir a Pesquisa), absent dna (Expandir a Pesquisa), absent fetal (Expandir a Pesquisa)
mehta niraj » mehta anurag (Expandir a Pesquisa)
i central » coli central (Expandir a Pesquisa), hemi central (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
17 absent » _ absent (Expandir a Pesquisa), c1 absent (Expandir a Pesquisa), eo absent (Expandir a Pesquisa)
data case » data can (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (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: (( i central nerve cat dis ) or ((( 17 absent data case dis ) or ( a mehta niraj cyst due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i central nerve cat dis ) OR ((( 17 absent data case dis ) OR ( a mehta niraj cyst due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i central nerve cat dis ) or ((( 17 absent data case dis ) or ( a mehta niraj cyst due ))))*.