%0 Journal Article %A J A Muir Gray %T Practical Guide for Medical Officers for Environmental Health %D 1981 %R 10.1136/jme.7.3.160 %J Journal of Medical Ethics %P 160-160 %V 7 %N 3 %U https://jme.bmj.com/content/medethics/7/3/160.1.full.pdf