1. A controlled trial of the health benefits of regular walking on a golf course∗ 
Jari Parkkari, MD, PhD, Antero Natri, MD, PhD, Pekka Kannus, MD, PhD, Ari Mänttäri, MSc, Raija Laukkanen, PhD, Heidi Haapasalo, MD, PhD, Arja Nenonen, MSc, Matti Pasanen, MSc, Pekka Oja, PhD, Ilkka Vuori, MD, PhD 
The American Journal of Medicine 
Volume 109, Issue 2, Pages (August 2000)
DOI: /S (00)

2. Figure 1
Effects of a 4-hour golf game in 38 middle-aged male golfers on heart rate, as a percent of maximal heart rate.
The American Journal of Medicine  , DOI: ( /S (00) )

3. Figure 2
Percentage changes in the body composition of the 51 golfers and 52 controls who completed the 20-week study in whom measurements of body composition were available. Bars represent 95% confidence intervals. All the between-group differences were statistically significant (P < 0.01).
The American Journal of Medicine  , DOI: ( /S (00) )