1. Physical training and connective tissues in young mice-heart

   • A. Kiiskinen
   • E. Heikkinen

   OriginalPaper Pages: 167 - 171

2. The Aerobic Power of Several Groups of Laborers in Colombia and the United States

   • M. G. Maksud
   • G. B. Spurr
   • M. Barac-Nieto

   OriginalPaper Pages: 173 - 182

3. Functional significance of collateral blood flow in working skeletal muscle of the dog

   • Peter Gaehtgens
   • Hansjürgen Hirche
   • Christian Steinhagen

   OriginalPaper Pages: 183 - 190

4. A comparison of maximum oxygen uptake determination by bicycle ergometry at various pedaling frequencies and by treadmill running at various speeds

   • G. A. McKay
   • E. W. Banister

   OriginalPaper Pages: 191 - 200

5. Relationships of femoral venous [K⁺], [H⁺],\(P_{o_2 } \), osmolality, and [orthophosphate] with heart rate, ventilation, and leg blood flow during bicycle exercise in athletes and non-athletes, osmolality, and [orthophosphate] with heart rate, ventilation, and leg blood flow during bicycle exercise in athletes and non-athletes

   • Ulrich Tibes
   • Bernd Hemmer
   • Ursula Schweigart

   OriginalPaper Pages: 201 - 214

6. Muscle-pO₂ in trained and untrained non-anesthetized guinea pigs and in men

   • W. Schroeder
   • F. Treumann
   • R. Müller

   OriginalPaper Pages: 215 - 221

7. Comparison of methods to calculate cardiac output using the CO₂ rebreathing method

   • Donald H. Paterson
   • David A. Cunningham

   OriginalPaper Pages: 223 - 230

8. A new formula for estimating metabolic rate

   • L. A. Wennberg
   • U. H. Danielsson

   OriginalPaper Pages: 231 - 234