[Survey of heterophoria of 1500 normal male youth].
Yan
S M
SM
Zhang
Y P
YP
Liu
D C
DC
D000293:Adolescent; D002648:Child; D006801:Humans; D008297:Male; D012016:Reference Values; D014786:Vision Disorders / Q000175:diagnosis / Q000453:epidemiology*; D014787:Vision Tests