Assertion: muscular dystrophy's symptom | /r/HasProperty | delay
Facets:
value: in achieving independent walking
type: OTHER
Source sentences:
text: The first symptoms may be a delay in achieving independent walking.
text: Symptoms (difficulty in sitting unaided, delayed start for walking, frequent stumbling and falling, difficulty in getting up, for example), could start to appear as early as one year of age, and the disease quickly progresses to the stage when the child needs a wheelchair (around 8-12 years of age).