<Tr> <Th> Routes of administration </Th> <Td> By mouth or IV </Td> </Tr> <Tr> <Th> Drug class </Th> <Td> Selective β receptor antagonist </Td> </Tr> <Tr> <Th> ATC code </Th> <Td> <Ul> <Li> C07AB03 (WHO) </Li> </Ul> </Td> </Tr> <Ul> <Li> C07AB03 (WHO) </Li> </Ul>

What is the mechanism of action of atenolol