Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
benign neck » benign nevi (Expandir a Pesquisa)
mehta nerve » mehta nave (Expandir a Pesquisa), mehta nee (Expandir a Pesquisa), mehta neeraj (Expandir a Pesquisa)
ai central » i central (Expandir a Pesquisa), ii central (Expandir a Pesquisa), bi central (Expandir a Pesquisa)
nerve cyst » nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
neck cyst » neck ct (Expandir a Pesquisa), neck case (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
cyst dis » cyst d (Expandir a Pesquisa)
j mehta » a mehta (Expandir a Pesquisa), _ mehta (Expandir a Pesquisa), k mehta (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 benign neck cyst due ) or ( ai central nerve case dis ))) or ( j mehta nerve cyst dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j benign neck cyst due ) OR ( ai central nerve case dis ))) OR ( j mehta nerve cyst dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j benign neck cyst due ) or ( ai central nerve case dis ))) or ( j mehta nerve cyst dis ))*.