http://apps.who.int/medicinedocs/en/d/Js2231e/

It reports on an assessment of stability patterns of common oral oxytocics to evaluate their usefulness in reducing postpartum haemorrhage in tropical areas. Simulation studies assessed the influence of packaging, humidity, light and heat on tablets of ergometrine, methylergometrine, buccal oxytocin and buccal desamino-oxytocin. Publication from 1994, 52 pages, available both in html and pdf formats.