| Http://: https://www.ncbi.nlm.nih.gov/books/NBK1357/ | 
| Http://: https://medlineplus.gov/genetics/condition/nonketotic-hyperglycinemia/ | 
| Http://: https://www.ncbi.nlm.nih.gov/books/NBK1357/ | 
| Http://: https://medlineplus.gov/genetics/condition/nonketotic-hyperglycinemia/ |