Age structured models use information on the changes in the age composition of a stock, in conjunction with the catch and effort information to provide estimates of the changes in their abundance due
Demographic data Study Description This was a phase I, open-label, pharmacokinetic (PK) study with a primary objective of determining PK of sildenafil in premature infants. The trial enrolled 25 prema
βi is the fecundity parameter for the corresponding population and β-i is the average β across the remaining four populations. –logL is the log-likelihood of the model considering βi and separately β-