Talvez deva tentar algumas variações de ortografia:
reactive system » reactive systems (Expandir a Pesquisa), reaction system (Expandir a Pesquisa), reaction systems (Expandir a Pesquisa)
lived reactive » lipid reactive (Expandir a Pesquisa), derived reactive (Expandir a Pesquisa), based reactive (Expandir a Pesquisa)
mattern nerve » matter nerve (Expandir a Pesquisa), mattern derek (Expandir a Pesquisa), mattern elke (Expandir a Pesquisa)
bent nerve » absent nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), dental nerve (Expandir a Pesquisa)
j mattern » j mattera (Expandir a Pesquisa), c mattern (Expandir a Pesquisa), d mattern (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve case (Expandir a Pesquisa), nerve a (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
j lived » j liver (Expandir a Pesquisa), j lieven (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j mattern nerve cat due ) or ((( j bent nerve cat due ) or ( j lived reactive system di ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j mattern nerve cat due ) OR ((( j bent nerve cat due ) OR ( j lived reactive system di )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j mattern nerve cat due ) or ((( j bent nerve cat due ) or ( j lived reactive system di ))))*.