P Virtama

Determining growth rates of focal lesions of bone from radiographs.

Gwilym S. Lodwick, Anthony Wilson, Carly M. Farrell et al. · Radiology · 1980 · 325 citations

Bone Disease, Skeletal Trauma, Bone Imaging +14

Estimating rate of growth in bone lesions: observer performance and error.

Gwilym S. Lodwick, Andrew Wilson, Carly M. Farrell et al. · Radiology · 1980 · 97 citations

Diagnosis, Bone Lesions, Osteoporosis +16

Thickness of the Cortical Layer as an Estimate of Mineral Content of Human Finger Bones

P Virtama, H. Mähönen · British Journal of Radiology · 1960 · 89 citations

Residual Variation, Anatomy, Area Ratio +22

Direct Measurement of the Effect of Film Miniaturization on Diagnostic Accuracy

James L. Lehr, Gwilym S. Lodwick, Corinne Farrell et al. · Radiology · 1976 · 50 citations

Engineering, Measurement, Diagnosis +25

A Modified Preparation of the Universal Buffer Described by Teorell and Stenhagen

Sven Östling, P Virtama · Acta Physiologica Scandinavica · 1946 · 45 citations

Organic Chemistry, Modified Preparation, Universal Buffer Described +1