منابع مشابه
Lesson 4
The extensive system of poultry production (commonly known as “free-range”) is based on the practice of allowing the bird access to foraging areas outside the poultry house. This system was widely practiced prior to the development of more productive strains of poultry and better management facilities (automated feeding and watering, better housing, environmental control) around the middle of t...
متن کاملRetail Clinician CE Lesson Retail Clinician CE Lesson
IntroductIon Few medical issues are as contentious as determining the most effective and the safest treatment of cough and colds in children. Parents and caregivers know that antibiotics are not useful in treating viruses that are often the cause of these ailments. [1] They have turned, therefore, to overthe-counter (OTC) medications to relieve their children’s symptoms and have found more than...
متن کاملRetail Clinician CE Lesson Retail Clinician CE Lesson
IntroductIon Few medical issues are as contentious as determining the most effective and the safest treatment of cough and colds in children. Parents and caregivers know that antibiotics are not useful in treating viruses that are often the cause of these ailments. [1] They have turned, therefore, to overthe-counter (OTC) medications to relieve their children’s symptoms and have found more than...
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ژورنال
عنوان ژورنال: Nature
سال: 1992
ISSN: 0028-0836,1476-4687
DOI: 10.1038/355490b0