TY - JOUR PY - 1972// TI - Automobile head restraints--frequency of neck injury claims in relation to the presence of head restraints JO - American journal of public health A1 - Sorenson, W. W. A1 - Kelley, A. B. A1 - Haddon, William A1 - O'neill, B. SP - 399 EP - 406 VL - 62 IS - 3 N2 - Abstract unavailable. LA - SN - 0090-0036 UR - http://dx.doi.org/ ID - ref1 ER -