Talvez deva tentar algumas variações de ortografia:
current surgery » recurrent surgery (Expandir a Pesquisa), urgent surgery (Expandir a Pesquisa), current survey (Expandir a Pesquisa)
surgery system » surgery systematic (Expandir a Pesquisa)
sensory nerve » sensory neuron (Expandir a Pesquisa)
ii sensory » iii sensory (Expandir a Pesquisa), ii sensor (Expandir a Pesquisa), ii sensors (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
mehta wave » mehta nave (Expandir a Pesquisa), mehta wa (Expandir a Pesquisa), mehta naveen (Expandir a Pesquisa)
wave case » cave case (Expandir a Pesquisa), wave caused (Expandir a Pesquisa), wave based (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (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.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( ii sensory nerve _ diet ) OR ( i current surgery system dcs ))) OR ( j mehta wave case dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( ii sensory nerve _ diet ) or ( i current surgery system dcs ))) or ( j mehta wave case dis ))*.