Symptom Information: Sort according to HPO 

	Symptom Information	Symptom	Abundance	Frequency	Pubmed	Source	DB Freq
1	(HPO:0000510)	Rod-cone dystrophy					266 / 7739
2	(HPO:0008020)	Progressive cone degeneration					4 / 7739
3	(HPO:0001417)	X-linked inheritance					173 / 7739