instruction:
In medical studies, treatments are tested within a group of study participants. You will be given a sentence of a study report in which your task is to list the phrases that give information about the participants of the study. You should list the phrases in the same order that they appear in the text, separated by commas. If no information about the participants is mentioned, just output "not found". Relevant information about participants include: gender, medical conditions, location, number of people participating. Do not contain participant mentions without relevant information.
question:
Influence of lime juice on the severity of sickle cell anemia .
answer:
not found


question:
A symptom based questionnaire was administered to all patients at stent removal .
answer:
not found


question:
Patients randomly assigned to the 40K arm were more likely to have a > or = 2 or > or = 3 g/dL hemoglobin ( Hb ) increment , were more likely to have a drug dose held because of high Hb , and had higher mean end-of-study Hb levels .
answer:

not found