[Tempus laborandi et tempus ludendi].
Marín-López
E
E
de la Garza Villaseñor
L
L
D005762:Gastroenterology / Q000266:history*; D049673:History, 20th Century; D008800:Mexico; D010506:Periodicals as Topic / Q000266:history*; D012955:Societies, Medical / Q000266:history*
Tempus laborandi et tempus ludendi.