"calcium blocker (trade name Procardia); appears to increase the risk of recurrent heart attacks"@en-us . "103680099"@en-us . . . . . "0"^^ . "0"^^ . . . . "03824014-n"^^ . . "Procardia"@en-us . . "103824014"^^ . . "nifedipine"@en-us . . "nifedipine"^^ .