Johanson, N. A. Et Al. 2009. AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS CLINICAL PRACTICE GUIDELINE ON Prevention of Symptomatic Pulmonary Embolism in Patients Undergoing Total Hip or Knee Arthroplasty. JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME , no.7 , 1756-1757.

Johanson, N. A., Lachiewicz, P. F., Lieberman, J. R., Lotke, P. A., Parvizi, J., Pellegrini, V., ... Stringer, T. A.(2009). AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS CLINICAL PRACTICE GUIDELINE ON Prevention of Symptomatic Pulmonary Embolism in Patients Undergoing Total Hip or Knee Arthroplasty. JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME , no.7, 1756-1757.

Johanson, Norman Et Al. "AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS CLINICAL PRACTICE GUIDELINE ON Prevention of Symptomatic Pulmonary Embolism in Patients Undergoing Total Hip or Knee Arthroplasty," JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME , no.7, 1756-1757, 2009

Johanson, Norman A. Et Al. "AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS CLINICAL PRACTICE GUIDELINE ON Prevention of Symptomatic Pulmonary Embolism in Patients Undergoing Total Hip or Knee Arthroplasty." JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME , no.7, pp.1756-1757, 2009

Johanson, N. A. Et Al. (2009) . "AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS CLINICAL PRACTICE GUIDELINE ON Prevention of Symptomatic Pulmonary Embolism in Patients Undergoing Total Hip or Knee Arthroplasty." JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME , no.7, pp.1756-1757.

@article{article, author={Norman A. Johanson Et Al. }, title={AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS CLINICAL PRACTICE GUIDELINE ON Prevention of Symptomatic Pulmonary Embolism in Patients Undergoing Total Hip or Knee Arthroplasty}, journal={JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME}, year=2009, pages={1756-1757} }