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This politico-ideological connection was also reflected in the wider scope of the objects of his historical research, but without any diminishing of his scientific reputation, and through invitations for new projects and access to new primary sources. In Portugal he was chosen by L' Académie Internationale d'Histoire des Sciences to write the Tábuas Cronológicas da História das Ciências em Portugal no século XVI (Chronological Tables of the History of the Sciences in Portugal in the 16th century, 1931), and six years later the Ministry for the Colonies charged him with the task of studying and making an inventory of the documentation on the Portuguese presence in Angola and Brazil in the modern period that was housed in the Colonial Historical Archive.
In 1944 Luís de Pina rose to become Full Professor of the History of Medicine and Professional Deontology in his Faculty. This provided a new impetus for his studies in the history of medicine and professional deontology while, in parallel, he sought to increase the importance given to the subject in the students’ academic training and to strengthen the pedagogic link to the museological centre he coordinated. He also took on a prominent role in the University of Porto, constantly battling against the lack of humanistic studies. With this in mind, it is important to mention the creation and management of the Centre for Humanistic Studies attached to the University of Porto (1947). Later, in the second Faculty of Letters of Porto (1961), he also lectured in the area of Philosophical and Pedagogical Sciences, assuming interim management of the course as the Rector’s delegate until 1966.
As a historian, the core of his academic output was undoubtedly related to the history of medicine. He retained, however, an interest in other areas of knowledge and their contribution to the evolution of human scientific thought, seeking to integrate this within the history of science and, consequently, within universal history itself. Thus, Luís de Pina, inspired by the example of Maximiano de Lemos, not only revised, enlarged and included new historical facts in the works that the latter had published but also published in 1954 the first volume of História Geral da Medicina (General History of Medicine) as a complement to his historiographical production while at the Faculty of Medicine in Porto. In his methodology, the remaining traces of the positivist trend to overvalue the written documents and books of the period as an answer to the hypotheses formulated were confronted with a modern conception that upheld the interdisciplinary and global nature of medical history and critical and objective practice creating an interplay between the fields of the exact sciences and the social sciences when exploring themes.
