Talvez deva tentar algumas variações de ortografia:
recurrence nerve » recurrent nerve (Expandir a Pesquisa), recurrence curve (Expandir a Pesquisa), recurrence degree (Expandir a Pesquisa)
j recurrence » c recurrence (Expandir a Pesquisa), b recurrence (Expandir a Pesquisa), low recurrence (Expandir a Pesquisa)
hi retinal » ii retinal (Expandir a Pesquisa), hemi retinal (Expandir a Pesquisa), epi retinal (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
nerve can » merve can (Expandir a Pesquisa), nerve cat (Expandir a Pesquisa), nerve cn (Expandir a Pesquisa)
can dis » can disc (Expandir a Pesquisa), van dis (Expandir a Pesquisa), can die (Expandir a Pesquisa)
nerve a » nerve _ (Expandir a Pesquisa)
a tdcs » _ tdcs (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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: (((( j recurrence nerve can dis ) OR ( hi retinal nerve a tdcs ))) OR ( j bent nerve can dis ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j recurrence nerve can dis ) or ( hi retinal nerve a tdcs ))) or ( j bent nerve can dis ))*.