One of the first major discoveries relevant to the field of pulmonology was the discovery of pulmonary circulation. Originally, it was thought that blood reaching the right side of the heart passed through small 'pores’ in the septum.
One of the first major discoveries relevant to the field of pulmonology was the discovery of pulmonary circulation. Originally, it was thought that blood reaching the right side of the heart passed through small
A wonderful serenity has taken possession of my entire soul, like these.
A wonderful serenity has taken possession of my entire soul, like these.