()</a></code> </p>
        </td>
        <td><p>age from birth and reference dates</p></td>
      </tr><tr>
        
        <td>
          <p><code><a href="age_m.html">age_m_to_y()</a></code> <code><a href="age_m.html">age_d_to_y()</a></code> <code><a href="age_m.html">age_d_to_m()</a></code> </p>
        </td>
        <td><p>Calculate age in years from other units</p></td>
      </tr><tr>
        
        <td>
          <p><code><a href="alveolar_PAO2_mmHg.html">alveolar_PAO2_mmHg()</a></code> </p>
     