Where does this definition of 原发性脊髓侧索硬化 come from?
This entry for 原发性脊髓侧索硬化 is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.