Assertion: botulinum toxin | /r/HasProperty | serotype a
Facets:
Source sentences:
text: Currently there are three formulations of botulinum toxin (serotype A, onabotulinumtoxinA, abobotulinumtoxinA, and incobotulinumtoxinA) and one of serotype B (rimabotulinumtoxinB).