Putanga 1: Kāore e mōhiotia mēnā ka aro atu te myasthenia gravis kino ki ngā rongoā paerewa. Putanga 2: Kāore e mōhiotia mēnā ka aro atu te myasthenia seronegative ki ngā rongoā paerewa. Pātai: He ōrite te tikanga o te rerenga 1 me te rerenga 2? He Ae, he Kore rānei?
Āe, āe