This graph shows the total number of publications written about "Periodontal Index" by people in Harvard Catalyst Profiles by year, and whether "Periodontal Index" was a major or minor topic of these publication.
{"Timeline":[{"y":2024,"t":2},{"y":2023,"t":0},{"y":2022,"t":1},{"y":2021,"t":3},{"y":2020,"t":4},{"y":2019,"t":1},{"y":2018,"t":6},{"y":2017,"t":8},{"y":2016,"t":7},{"y":2015,"t":11},{"y":2014,"t":11},{"y":2013,"t":10},{"y":2012,"t":11},{"y":2011,"t":20},{"y":2010,"t":10},{"y":2009,"t":13},{"y":2008,"t":14},{"y":2007,"t":4},{"y":2006,"t":4},{"y":2005,"t":5},{"y":2004,"t":11},{"y":2003,"t":8},{"y":2002,"t":8},{"y":2001,"t":5},{"y":2000,"t":8},{"y":1999,"t":4},{"y":1998,"t":5},{"y":1997,"t":7},{"y":1996,"t":6},{"y":1995,"t":6},{"y":1994,"t":6}]}
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