Bhattacharya J, Vogt WB, Yoshikawa A and Nakahara T (1996) “The Utilization of Outpatient Medical Services in Japan,” Journal of Human Resources. 31 (2) : 450-476.
Bessho S and Ohkusa Y (2005) “When do People Visit a Doctor?” Health Care Management Science. 9 (1) : 5-18.
Cameron AC, Trivedi PK, Milne F and Piggot J (1988) “A Microeconometric Model of the Demand for Health Care and Health Insurance in Australia,” Review of Economic Studies. 55 : 85-106.
Cromwell J and Mitchell J (1986) “Physician Induced Demand for Surgery,” Journal of Health Economics. 5 : 293-313.
Deb P and Trivedi PK (1997) “Demand for Medical Care by the Elderly : A Finite Mixture Approach,” Journal of Applied Econometrics. 12 : 313-336.