Sentences with phrase «certain trace elements»
They also require certain trace elements, minerals, and vitamins to fulfil their roles within the body.
http://aminoacidstudies.org/ Not exact matches
Not all vaccinations are an obligation, and some people feel that vaccinating dogs who are not exposed to certain elements presents a danger, such as introducing trace amounts of the virus or bacteria into the dog» s body might be more hazardous when a risk is not present.