The portable back school : a home study program for proper back care
Treść karty:544,014 MULRY RAY C., WHITE ARTHUR H., KLEIN EUGENIA A. The portable back school : a home study program for proper back care / Ray C. Mulry, Arthur H. White, Eugenia A. Klein. - St. Louis ; Toronto ; London :The C. V. Mosby Co., 1981. — 53 s. : il. ; 22 cm ISBN 0-8016-3597-7