TY - GEN AU - Bland,J M AU - Altman,D G TI - Measurement error and correlation coefficients SN - 0959-8138 PY - 1996///0808 KW - Child KW - Humans KW - Statistics, Nonparametric N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/bmj.313.7048.41 ER -