get_registered_5 | R Documentation |
Extract the index of mentions such as: "The Régression de l'Albuminurie dans la Néphropathie Drépanocytaire (RAND) study design was approved by the local ethics committee (Ref: DGRI CCTIRS MG/CP09.503, 9 July 2009) and registered at ClinicalTrials.gov (NCT01195818)."
get_registered_5(article)
article |
A string or a list of strings. |
Index of element with phrase of interest
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