MPG.eBooks - Search Results - ((polio or (poll OR pall)) or (((pols or polys) or pole) or role))

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Your search - ((polio or (poll OR pall)) or (((pols or polys) or pole) or role)) - did not match any resources.

Perhaps you should try some spelling variations:
poll » soll , pool , poly
pall » all , paul , hall

You may be able to get more results by adjusting your search query.

If you are trying to use Boolean operators, they must be ALL CAPS: ((polio OR (poll OR pall)) OR (((pols OR polys) OR pole) OR role)).
The words AND, OR and NOT may confuse the search; try adding quotes: "((polio or (poll OR pall)) or (((pols or polys) or pole) or role))".
Adding a wildcard symbol may retrieve word variants: ((polio or (poll OR pall)) or (((pols or polys) or pole) or role))*.