ARIF, Muhammad; 						ASIM, Muhammad; 						MEMON, Farida.
 Use of Nonlinear Frequency Modulated Signals for the Enhancement of Subharmonic Response from Contrast Microbubbles.
<strong>Mehran University Research Journal of Engineering and Technology</strong>, [S.l.], v. 36, n. 1, p. 183-192, jan. 2017.
ISSN 2413-7219.
Available at: &lt;<a href="https://publications.muet.edu.pk/index.php/muetrj/article/view/361" target="_new">https://publications.muet.edu.pk/index.php/muetrj/article/view/361</a>&gt;. Date accessed: 27 apr. 2025.
doi: <a href="http://dx.doi.org/10.22581/muet1982.1701.18">http://dx.doi.org/10.22581/muet1982.1701.18</a>.