Talvez deva tentar algumas variações de ortografia:
absence negativity » absent negativity (Expandir a Pesquisa), disease negativity (Expandir a Pesquisa)
negativity case » negativity based (Expandir a Pesquisa), negativity biases (Expandir a Pesquisa), negativity score (Expandir a Pesquisa)
mehta neeraj » mehta niraj (Expandir a Pesquisa), mishra neeraj (Expandir a Pesquisa), mehta nehal (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j renal » j real (Expandir a Pesquisa), j renaldi (Expandir a Pesquisa), j renato (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
_ mehta » a mehta (Expandir a Pesquisa)
a dos » e dos (Expandir a Pesquisa), a dog (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 renal nerve a dos ) or ((( _ absence negativity case dis ) or ( _ mehta neeraj cyst due ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j renal nerve a dos ) OR ((( _ absence negativity case dis ) OR ( _ mehta neeraj cyst due )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j renal nerve a dos ) or ((( _ absence negativity case dis ) or ( _ mehta neeraj cyst due ))))*.