Modifiers matching investigation:

• diagnostic,
• supplemental,
• cellular,
• scholarly,
• special,
• current,
• endoscopic,
• technical,
• clinical,
• relevant,
• expensive,
• common,
• specialized,
• essential,
• detailed,
• painful,
• invasive,
• instrumental,
• basic,
• complex,
• formal,
• archaeological,
• cardiac,
• scientific,
• radiological,
• medical,
• appropriate,
• specialised,
• spatial,
• official,
• good,
• federal,
• gi,
• explicit,
• molecular,
• empirical,
• simple,
• minor,
• important,
• routine,
• forensic,
• under,
• preoperative,
• complementary,
• regulatory,
• additional,
• compulsory,
• demanding,
• recent,
• governmental,
• administrative,
• out,
• departmental,
• gastrointestinal,
• intrusive,
• experimental,
• geologic,
• criminal,
• environmental,
• surgical,
• legal,
• costly,
• social,
• haematological,
• necessary,
• extensive,
• major,
• chromosomal,

Simple categories matching gi:

• event,
• endoscopy,
• malignancy,
• polysaccharide,
• symptom,
• surgery,
• disorder,
• pathogen,
• discomfort,
• abnormality,
• infection,
• tumor,
• service,
• pathology,
• procedure,
• activation,
• ailment,
• upset,
• lesion,
• complaint,
• problem,
• investigation,
• phenomenon,
• reaction,
• condition,
• fruit,
• anomaly,
• complication,
• system,
• disease,