Spilker, B. Guide to clinical studies and developing protocols.
Lua i Stíl Chicago (17ú heag.)Spilker, Bert. Guide to Clinical Studies and Developing Protocols.
Lua MLA (8ú heag.)Spilker, Bert. Guide to Clinical Studies and Developing Protocols.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.