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S0022-3999(03)00507-5
S0022-3999(03)00507-5
http://dx.doi.org/10.1016/S0022-3999(03)00507-5
Sleep patterns in college students: gender and grade differences.
P356
Q34305251-57817885-9CF3-4557-BEC8-B3BA1D2C9652
P356
S0022-3999(03)00507-5
http://dx.doi.org/10.1016/S0022-3999(03)00507-5