How big is a drop? A volumetric assay of essential oils

Olleveant NA, Humphris G, Roe B Journal of Clinical Nursing, 1999 ABSTRACT: There has been an increase in the use of aromatherapy in nursing, and many issues are now being raised which need addressing in order to maintain professional credibility and safe practice. These issues include: who can safely practise aromatherapy, what qualifications are required… Read more »