Dissertations and theses can be a good source for protocols. Like PubMed, searching dissertations and theses is rather imperfect. To find protocols, try adding MeSH (Medical Subject Headings) to the keyword or phrase (such as "gluconeogenesis AND methods").
Other MeSH headings to try:
- methods
- analysis
- biosynthesis
- diagnostic use
- instrumentation
Library databases that concentrate on dissertations and theses: