Talvez deva tentar algumas variações de ortografia:
absent negative » absent native (Expandir a Pesquisa), absent negativity (Expandir a Pesquisa), patient negative (Expandir a Pesquisa)
ventral nerve » femoral nerve (Expandir a Pesquisa)
negative cyst » negative chest (Expandir a Pesquisa), negative cis (Expandir a Pesquisa), negative case (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
nerve cases » nerve case (Expandir a Pesquisa), nerve caused (Expandir a Pesquisa), nerve changes (Expandir a Pesquisa)
nerve cyst » nerve case (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve system (Expandir a Pesquisa)
a ventral » a ventura (Expandir a Pesquisa)
cases due » case due (Expandir a Pesquisa)
l absent » _ absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa), c1 absent (Expandir a Pesquisa)
i renal » i real (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 renal nerve cyst due ) or ( a ventral nerve cases due ))) or ( l absent negative cyst due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( i renal nerve cyst due ) OR ( a ventral nerve cases due ))) OR ( l absent negative cyst due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( i renal nerve cyst due ) or ( a ventral nerve cases due ))) or ( l absent negative cyst due ))*.