Talvez deva tentar algumas variações de ortografia:
center nurse » center nurses (Expandir a Pesquisa), letter nurse (Expandir a Pesquisa), cancer nurse (Expandir a Pesquisa)
nurse system » course system (Expandir a Pesquisa), pulse system (Expandir a Pesquisa), purpose system (Expandir a Pesquisa)
renal nerve » retinal nerve (Expandir a Pesquisa), cranial nerve (Expandir a Pesquisa), spinal nerve (Expandir a Pesquisa)
nurse care » nursing care (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
j center » j centner (Expandir a Pesquisa), 2 center (Expandir a Pesquisa), 3 center (Expandir a Pesquisa)
care dis » care did (Expandir a Pesquisa), care days (Expandir a Pesquisa), care desh (Expandir a Pesquisa)
j renal » j real (Expandir a Pesquisa), j renaldi (Expandir a Pesquisa), j renato (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 center nurse care dis ) or ( j center nurse system dis ))) or ( j renal nerve cat due ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j center nurse care dis ) OR ( j center nurse system dis ))) OR ( j renal nerve cat due )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j center nurse care dis ) or ( j center nurse system dis ))) or ( j renal nerve cat due ))*.