Minimum code where the pagesel command prevents refs and cites be updated.
I would like to understand why
\documentclass{article}
\usepackage{graphicx}
%% PDFTeX
% http://tex.stackexchange.com/a/218102/13173
\usepackage{mathtools, amssymb, amsbsy}
\usepackage{mathrsfs}
\usepackage{pgffor}
\usepackage{subcaption}
\usepackage{pdfpages}
\usepackage[1-]{pagesel}
\begin{document}
Fig. \ref{figure:ba_sinus_female},
\begin{figure}
\foreach \ii in {2,...,2}{
\centering% not \center!
\begin{subfigure}{0.32\textwidth}
\centering
\includegraphics[scale=0.16, page=\ii]{{Rplots.bland}.pdf}
\caption{\#\ii, ite. 1.}
\end{subfigure}
\begin{subfigure}{0.32\textwidth}
\centering
\includegraphics[scale=0.16, page=\ii]{{Rplots.bland}.pdf}
\caption{\#\ii, ite. 2.}
\end{subfigure}
\begin{subfigure}{0.32\textwidth}
\centering
\includegraphics[scale=0.16, page=\ii]{{Rplots.bland}.pdf}
\caption{\#\ii, ite. 3.}
\end{subfigure}
}
\caption{Bland.}
\label{figure:ba_sinus_female}
\end{figure}
\end{document}
\ref{figure:cor_gender}I get 1 (after double run of LaTeX). – egreg Nov 16 '16 at 15:39\refas for\label. – egreg Nov 16 '16 at 16:03\label, you'll have multiply-defined\labels. – Werner Nov 16 '16 at 21:40