Highly processed foods are very poor sources of amino acids and should only been consumed in moderation. (aminoacidstudies.org)
All these dogs were from poor sources (bad breeders or pet shops) and in negligent homes. (petpeoplesplace.com)
Too often «unfilmable» is an excuse for poor source material, where recent works like Cosmopolis illustrate that a perfectly fine film is undercut by a perfectly appalling narrative drawn word - for - word from the source material. (screenanarchy.com)