1. Quality food, better health, greater production;Gerhmann;J. Am. Dietet. A.,1955
2. Results of supplementing the dietary of substandard workers with cod liver oil and milk;Holmes;J. Indust. Hyg. & Toxicol.,1932
3. Betweenmeal feeding in industry: effects on absenteeism and attitude of clerical employees;Haggard;J. Am. Dietet. A.,1939
4. Nutritional status of aircraft workers in Southern California. 3. Effects of vitamin supplementation on absenteeism, turnover, and personnel ratings;Borsook;Milbank Mem. Fund Quart.,1945