Recognizing limitations.
Freeman
P B
PB
D001766:Blindness / Q000517:prevention & control; D003657:Decision Making; D005901:Glaucoma / Q000628:therapy*; D006801:Humans; D009885:Ophthalmology / Q000379:methods*; D009907:Optometry / Q000379:methods*; D010414:Pennsylvania; D012017:Referral and Consultation / Q000592:standards