Talvez deva tentar algumas variações de ortografia:
spinal nerve » retinal nerve (Expandir a Pesquisa)
serve cyst » nerve cyst (Expandir a Pesquisa)
beta serve » beta served (Expandir a Pesquisa), beta nerve (Expandir a Pesquisa), beta3 serves (Expandir a Pesquisa)
spp serve » spp serine (Expandir a Pesquisa), spp survey (Expandir a Pesquisa), 3p serve (Expandir a Pesquisa)
nerve can » nerve canal (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
i spinal » a spinal (Expandir a Pesquisa), i spiral (Expandir a Pesquisa), iii spinal (Expandir a Pesquisa)
can tdcs » a tdcs (Expandir a Pesquisa)
j beta » j beth (Expandir a Pesquisa)
a spp » i spp (Expandir a Pesquisa), a snp (Expandir a Pesquisa), _ spp (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: (((( a spp serve cyst dis ) or ( i spinal nerve can tdcs ))) or ( j beta serve cyst dis ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a spp serve cyst dis ) OR ( i spinal nerve can tdcs ))) OR ( j beta serve cyst dis ))*.