[Method for obtaining muscle adenosine monophosphoric acid].

A method is developed for obtaining 5'-AMP with utilization of the partially purified potato apyrase. In this case the extract of muscles or the medical preparation of ATP not corresponding to the standard requirements may be initial product instead of the purified ATP.

[Comparison of electrocardiographic tests with measured physical loading in ischemic heart disease].

The results of tests with physical load on a bicycle ergometer and treadmill in 50 patients with ischemic heart disease were compared. The control group was formed of 20 patients with neurocirculatory dystonia. Agreement between the results of both tests was encountered in 90% of patients with ischemic heart disease.