Effect on splanchnic oxygenation of breast milk, fortified breast milk, and formula milk in preterm infants journal, May 2020 * ... We analyzed twenty fecal samples taken from four premature infants (4-6 time points from each infant), and found significantly ... We analyzed twenty fecal samples taken from four premature infants (4-6 time points from each infant), and found significantly ... Interestingly, some communities sampled from the same infant at subsequent time points clustered with those of other infants. ...