Perhaps you should try some spelling variations:
"handbook of experimentellen dermatologie" » "handbook of experimenteller dermatologie", "handbook of experimentelle teratologie", "handbook of experimentelle gerontologie"
"handbook of experimental pharmacology" » "handbook of experimental psychology"

Try widening your search to All Fields.

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: (("handbook of experimentellen pharmakologie") OR ((("handbook of experimental pharmacology") OR ("handbook of experimentellen dermatologie")))).
• Removing quotes may allow a broader search: (( handbook of experimentellen pharmakologie ) or ((( handbook of experimental pharmacology ) or ( handbook of experimentellen dermatologie )))).
• Adding a wildcard symbol may retrieve word variants: (("handbook of experimentellen pharmakologie") or ((("handbook of experimental pharmacology") or ("handbook of experimentellen dermatologie"))))*.