Talvez deva tentar algumas variações de ortografia:
mather nervous » other nervous (Expandir a Pesquisa), higher nervous (Expandir a Pesquisa), mature nervous (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
nevi cyst » nevi cns (Expandir a Pesquisa)
j mather » j mathew (Expandir a Pesquisa), j maher (Expandir a Pesquisa), j matthew (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
j benign » j benigno (Expandir a Pesquisa), _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (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 mather nervous system dis ) or ((( j mental nerve case dis ) or ( j benign nevi cyst dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j mather nervous system dis ) OR ((( j mental nerve case dis ) OR ( j benign nevi cyst dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j mather nervous system dis ) or ((( j mental nerve case dis ) or ( j benign nevi cyst dis ))))*.