[Retracted] Visual Analysis of Nutrient Deficiency and Treatment Protocols in Bariatric Surgery Based on VOSviewer

Table 4

Frequency of keywords.

Keywords	Frequency of occurrence	Total linkage strength
Bariatric surgery	642	5149
Obesity	371	3071
Weight loss	221	1949
Y gastric bypass	220	1964
Gastric bypass	193	1601
Nutritional deficiencies	183	1590
Sleeve gastrectomy	160	1440
Morbid-obesity	130	1203
Biliopancreatic diversion	117	1081
Outcomes	106	882
Deficiency	100	767
Complications	93	781
Surgery	85	626
Nutrition	79	643
Gastric-bypass surgery	78	672
Deficiencies	78	632
Guidelines	76	698
Roux-en-Y gastric bypass	76	685
Anemia	73	679
Follow-up	71	663
Malnutrition	70	592
Laparoscopic sleeve gastrectomy	66	636
Women	66	591
Prevalence	66	573
Pregnancy	65	582
Vitamin	64	600