Talvez deva tentar algumas variações de ortografia:
nervous apnoea » nervous dyspnoea (Expandir a Pesquisa), nervous aphonia (Expandir a Pesquisa), nervous ande (Expandir a Pesquisa)
dental nerve » mental nerve (Expandir a Pesquisa), ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
cent nerve » bent nerve (Expandir a Pesquisa), recent nerve (Expandir a Pesquisa), crest nerve (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
j central » 1hfj central (Expandir a Pesquisa)
apnoea de » apnoea due (Expandir a Pesquisa), apnea de (Expandir a Pesquisa), apnoea does (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j dental » j delta (Expandir a Pesquisa), j dent (Expandir a Pesquisa), j deal (Expandir a Pesquisa)
ai cent » i cent (Expandir a Pesquisa), ii cent (Expandir a Pesquisa), ai centri (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can 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: (((( ai cent nerve cyst due ) or ( j central nervous apnoea de ))) or ( j dental nerve can dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( ai cent nerve cyst due ) OR ( j central nervous apnoea de ))) OR ( j dental nerve can dis )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( ai cent nerve cyst due ) or ( j central nervous apnoea de ))) or ( j dental nerve can dis ))*.