The proper collection of a specimen for culture is the most important step in the recovery of pathogenic organisms responsible for infectious disease. A poorly collected specimen may lead to failure in isolating the causative organism(s) and/or result in the recovery of contaminating organisms.
You might want to see a specialist if you have a certain medical issue, and you may want to see a primary physician to be diagnosed with that certain disease.
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Answer:
Although it is true that the use of recreational drugs, especially tobacco, alcohol or cannabis, is relatively common among adolescents, it is also true that the percentages in which this situation occurs do not exceed 20% of the total number of adolescents of the country. In other words, only 1 in 5 children under 18 years of age regularly use any of these three substances, while 80% stay completely away from their use. In this way, it is a concept that undergoes a generalization that is not true, but on the contrary a fallacious attribution to a whole group of people.