How many kinds of drugs are now used by children off-lable?1) 840.2) 1400.3) 560.“Once approved,” explains Daneman,“it’s available on the market and doctors can prescribe it for any indication they’d like to.” Even if it has not been test

How many kinds of drugs are now used by children off-lable?1) 840.2) 1400.3) 560.“Once approved,” explains Daneman,“it’s available on the market and doctors can prescribe it for any indication they’d like to.” Even if it has not been test
How many kinds of drugs are now used by children off-lable?1) 840.2) 1400.3) 560.
“Once approved,” explains Daneman,“it’s available on the market and doctors can prescribe it for any indication they’d like to.” Even if it has not been tested specifically in children,he says,“physicians may start to use it either in small trials or what we call off-label (use of a prescription drug to treat a condition for which the drug has not been approved) in children.”
How Common Is Off-label Use?
Dr.Michael Rieder,director of the Adverse Drug Reaction Clinic at the Children’s Hospital of Western Ontario,says,“drugs commonly used in children,such as antibiotics and asthma drugs,are tested in children.” But,he says,“there is a misconception that children take only those drugs.We did a study looking at a million kids in Canada over a year.It turns out they used 1,400 different drugs,of which 60 percent have not been tested,or approved for use,in chil
“...what we call off-label (use of a prescription drug to treat a condition for which the drug has not been approved) in children.”
”It turns out they used 400 different drugs,of which 60 percent have not been tested,or approved for use,in children。“
被这两句话搞晕了。特别是”,or approved for use,“

How many kinds of drugs are now used by children off-lable?1) 840.2) 1400.3) 560.“Once approved,” explains Daneman,“it’s available on the market and doctors can prescribe it for any indication they’d like to.” Even if it has not been test
很高兴能够在这里回答你的问题,
选　1　840
文中说了用了1400种药,其实有60%的未经实验室检验,所以是840种.