March 1972  (Volume 50)

Kenneth F. Clute, 

Law and Health: Some Current Challenges

Nathan Hershey, 

The Defensive Practice of Medicine: Myth or Reality

Laurence R. Tancredi,  John Woods, 

The Social Control of Medical Practice: Licensure versus Output Monitoring

Merrijoy Kelner, 

Review: Doctors and Doctrines: The Ideology of Medical Care in Canada by Bernard R. Blishen

Joseph S. Himes, 

Review: Growth of the Black Population: A Study of Demographic Trends by Reynolds Farley

Sol Sherry, 

Introduction

Daniel G. Seigel, 

Pregnancy, the Puerperium and the Steroid Contraceptive

Edward Genton, 

Coagulation Assays in Detecting Thrombosis-Prone Patients on Oral Contraceptives

Nemat O. Borhani, 

Endocrine Factors and Venous Thrombosis

Alfonse T. Masi, 

Endocrine Factors and Risk of Venous Thrombosis

David G. Freiman,  Edwin W. Salzman, 

Surgical Conditions as Risk Factors in the Development of Venous Thrombosis

Edmond A. Murphy,  C. Lockard Conley, 

Genetic and Hematologic Factors in Venous Thrombosis

Lewis Kuller,  Stanford Wessler, 

The Relation of Thromboembolic Disease to Cardiovascular Disease

D. L. Sackett,  F. J. Kazmier, 

Possible Risk Factors in the Development of Venous Thrombosis: Gastrointestinal Disease, Infection and Dehydration

Manning Feinleib,  Brian MacMahon,  Charles A. Owen, 

Venous Thrombosis in Relation to Cigarette Smoking Physical Activity and Seasonal Factors

Brendan H. Hicks, 

The Value of Clinical Criteria for Epidemiologic Diagnosis of Deep Venous Thrombosis

Anthony P. Fletcher,  Norma Alkjaersig,  John R. O'Brien, 

Blood Screening Methods for the Diagnosis of Venous Thrombosis

Bernard Sigel,  Johannes Ipsen,  W. Robert Felix, 

Venous Thrombosis in Surgical Patients Diagnosed by Clinical and Doppler Ultrasound Techniques

H. B. Wheeler, 

Impedance Phlebography as a Tool for the Epidemiologic Study of Venous Thrombosis

V. V. Kakkar, 

The I125-Labeled Fibrinogen Test and Phlebography in the Diagnosis of Deep Vein Thrombosis

Federico G. Arthes, 

An Epidemiologic Survey of Hospitalized Cases of Venous Thrombosis and Pulmonary Embolism in Young Women

Walter W. Holland, 

Epidemiologic Diagnostic Methods: Criteria for Assessment

Frederick H. Epstein, 

An Epidemiologist’s Conclusions

Summary