Talvez deva tentar algumas variações de ortografia:
secrete system » secretor system (Expandir a Pesquisa), separete system (Expandir a Pesquisa), secrete stem (Expandir a Pesquisa)
reserve system » research system (Expandir a Pesquisa), nerve system (Expandir a Pesquisa), research systems (Expandir a Pesquisa)
cells secrete » cell secretome (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
men reserve » cell reserve (Expandir a Pesquisa), iron reserve (Expandir a Pesquisa)
system de » system der (Expandir a Pesquisa), system delay (Expandir a Pesquisa)
system di » system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa), system dan (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
j cells » 1 cells (Expandir a Pesquisa), j cell (Expandir a Pesquisa), 0 cells (Expandir a Pesquisa)
j men » j mena (Expandir a Pesquisa), j meng (Expandir a Pesquisa), j mens (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 cells secrete system de ) or ( j men reserve system di ))) or ( j mental nerve case does ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j cells secrete system de ) OR ( j men reserve system di ))) OR ( j mental nerve case does ))*.