Assertion: trial | /r/HasProperty | phase
Facets:
value: in a single protocol
type: OTHER
Source sentences:
text: For example, the same trial can include both phase 1 and phase 2.
text: Some researchers design trials that combine two phases (phase 1/2 or phase 2/3 trials) in a single protocol.
text: For example, the same trial can include both phase 1 and phase 2.