by ERKAN, TÜL.A.Y., AKTUGLU, Ç.I.G.D.E.M., GÜLCAN, E.M.A.H.I.R., KUTLU, T.U.F.A.N., ÇULLU, FÜG.E.N., APAK, H.I.L.M.I., TÜMAY, GÜNGÖR.T.
Published in Journal of adolescent health (01.10.2002)