Talvez deva tentar algumas variações de ortografia:
central nerve » ventral nerve (Expandir a Pesquisa), central nervous (Expandir a Pesquisa), central neural (Expandir a Pesquisa)
coli central » escola central (Expandir a Pesquisa)
benign beale » benign bile (Expandir a Pesquisa), benign base (Expandir a Pesquisa), benign breast (Expandir a Pesquisa)
beale causes » beams causes (Expandir a Pesquisa), beale charles (Expandir a Pesquisa), cycle causes (Expandir a Pesquisa)
causes does » causes des (Expandir a Pesquisa), cause does (Expandir a Pesquisa), campuses does (Expandir a Pesquisa)
nerve cat » nerve can (Expandir a Pesquisa), nerve cut (Expandir a Pesquisa), nerve case (Expandir a Pesquisa)
ml benign » all benign (Expandir a Pesquisa), _ benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
cat big » ct big (Expandir a Pesquisa), catch big (Expandir a Pesquisa), coast big (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: (( coli central nerve cat big ) OR ( ml benign beale causes does ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( coli central nerve cat big ) OR ( ml benign beale causes does ))*".