P. Pfitzinger

Blood Lactate Responses to Exercise in Children: Part 2. Lactate Threshold

P. Freedson, P. Pfitzinger, 1997 .

Blood Lactate Responses to Exercise in Children: Part 1. Peak Lactate Concentration

P. Freedson, P. Pfitzinger, 1997 .

Sea-level performance in runners using altitude tents: a field study.

J. Hellemans, E. Hinckson, W. Hopkins, 2005, Journal of science and medicine in sport.

RUNNING PERFORMANCE FOLLOWING INTERMITTENT ALTITUDE EXPOSURE SIMULATED WITH NITROGEN TENTS

J. Hellemans, W. Hopkins, P. Pfitzinger, 2001 .

The Reliability of Lactate Measurements During Exercise

P S Freedson, P. Freedson, P Pfitzinger, 1998, International journal of sports medicine.