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According to Asthma UK, a research organisation, 82% of people with asthma say that tobacco smoke affects their asthma
Access articles from across Canada with one account Share your thoughts and join the conversation in the comments Enjoy additional articles per month Get email updates from your favourite authors Sign In or Create an Account How exactly did eggs become such a controversial food
ETHYLATING AGENT A compound that can add an ethyl group to another molecule, such as DNA or a protein
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Suppose you perturb it, as you might strike a bell
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