Symptom Information: Sort according to HPO 

1
(HPO:0000365) Hearing impairment Very frequent [Orphanet] 539 / 7739
2
(HPO:0001250) Seizures Very frequent [Orphanet] 1245 / 7739
3
(HPO:0001252) Muscular hypotonia Very frequent [Orphanet] 990 / 7739
4
(HPO:0001276) Hypertonia Very frequent [Orphanet] 317 / 7739
5
(HPO:0001347) Hyperreflexia Very frequent [Orphanet] 363 / 7739
6
(HPO:0001873) Thrombocytopenia Frequent [Orphanet] 224 / 7739
7
(HPO:0001935) Microcytic anemia Very frequent [Orphanet] 32 / 7739
8
(HPO:0002024) Malabsorption Frequent [Orphanet] 142 / 7739
9
(HPO:0002120) Cerebral cortical atrophy Very frequent [Orphanet] 187 / 7739
10
(HPO:0002514) Cerebral calcification Very frequent [Orphanet] 89 / 7739
11
(HPO:0004332) Abnormality of lymphocytes Very frequent [Orphanet] 12 / 7739
12
(HPO:0002334) Abnormality of the cerebellar vermis Very frequent [Orphanet] 137 / 7739
13
(HPO:0000124) Renal tubular dysfunction Very frequent [Orphanet] 46 / 7739
14
(HPO:0001522) Death in infancy Frequent [Orphanet] 275 / 7739
15
(HPO:0004325) Decreased body weight Very frequent [Orphanet] 492 / 7739
16
(HPO:0100543) Cognitive impairment Very frequent [Orphanet] 230 / 7739