In 1993 he married Ibolya Pamuk. Since 1948 he regularly participated and gave lectures in Hungary and abroad at national and international congresses and symposia including most European countries, USA, Canada, Australia, Israel, Japan, India and China. He had 295 articles in scientific journals, wrote 76 book chapters, 304 abstracts and 7 edited books. Although publications of L. Szekeres started from 1948, the number of citations (2260) and the impact factor (238.25) are taken into account only for the period of 1961-2005. The following is a list of his most important works.  a./ Monographs:  b./ Most important edited books:  The most important scientific publications:  1. Szekeres L. [A szívglycosidoktól a gyógyszeres stressadaptációig. Egy ötvenéves kutatómunka tanulságai.] In: Juhász-Nagy S, editor. Studia Physiologica 7. Budapest: Scientia Kiadó; 2000. p. 1–95. Szekeres L, Schein M. Cell metabolism of the overloaded mammalian heart in situ. Kardiologia (Basel) 1959; 34: 19–27. Szekeres L, Méhes J, Papp J Gy. Mechanism of increased susceptibility to fibrillation of the hypothermic mammalian heart in situ. Br J Pharmacol 1961; 17: 167–175. Szekeres L, Papp JG. Experimental Cardiac Arrhythmias and Antiarrhythmic Drugs. (Monograph) Budapest: Akadémiai Kiadó; 1971. p. 1-448. Vaughan Williams EM, Szekeres L. A comparison of tests for antifibrillatory action. Br J Pharmacol 1961; 17: 424–432. Szekeres L, Vaughan Williams EM. Antifibrillatory action. J Physiol (London) 1962; 160: 470–482. Szekeres L, Szurgent J. A new type of electrode for continuous recording of monophasic action potentials from the heart in situ. Cardiovasc Res 1974; 8:132–137.(Note: Important methodological innovation)  8. Szekeres L, Csik V, Udvary E .Nitroglycerin and dipyridamole on cardiac metabolism and dynamics in a new experimental model of angina pectoris.