Reliability of the whiff test in clinical practice
Cohrssen A, Anderson M, Merrill A, McKee D.
Journal of the American Board of Family Practice. 2005 Nov-Dec; 18(6):561-2.
Cohrssen A, Anderson M, Merrill A, McKee D.
Journal of the American Board of Family Practice. 2005 Nov-Dec; 18(6):561-2.