Date: 2012-03-01 10:09:32

Opioids

Endocrine system

Neurotransmitters

Analgesics

Morphinans

Endorphin

Laughter

Pituitary gland

Morphine

Chemistry

Anatomy

Biology

Document is deleted from original location.
Use the Download Button below to download from the Web Archive.

File Size: 496,13 KB