Asthana J.C., Sinha S. 1990
Asthana J.C., Sinha S., Haslam J.S., Kingston H.M. Survey of adolescents with severe intellectual handicap //Arch.Dis.Child. 1990.65(10). P.1133-1136.
Asthana J.C., Sinha S., Haslam J.S., Kingston H.M. Survey of adolescents with severe intellectual handicap //Arch.Dis.Child. 1990.65(10). P.1133-1136.
