From: Ice versus lidocaine 5% gel for topical anaesthesia of oral mucosa – a randomized cross-over study
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Phone call no: | 1 | 2 | 3 | |||
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Informed consent | X | |||||
Patient history | X | |||||
Inclusion and exclusion criteria | X | X | ||||
Randomization | X | |||||
Treatment | X | X | ||||
Registration of possible adverse events | X | X | X | X |