Collins, R. Douglas
Algorithmic diagnosis of symptoms and signs : cost-effective approach
Lippincott, 1997
 Buku Referensi
Ogilvie, Colin
Chamberlain's symptoms and signs in clinical medicine: an introduction to medical diagnosis/Colin Ogilvie, Christopher C. Evans
Buuerworth-Heinemann, 1987
 Buku Teks
Gejala dan tanda ginekologi sebagai upaya diagnosis penyebab keputihan pada pelayanan kesehatan dengan fasilitas terbatas = The role of gynecologic symptoms and signs to identify causes of vaginal discharge in health care facilities with limited resources
Fakultas Kedokteran Universitas Indonesia, 2014
 UI - Tugas Akhir
M. Adham
Delayed diagnosis of nasopharyngeal carcinoma in a patient with early signs of unilateral ear disorder
Faculty of Medicine Universitas Indonesia, 2014
 Artikel Jurnal
Correlation of neurological soft signs and negative symptoms in chronic schizophrenic patients S.D. Elvira dan R. Salan
 Artikel Jurnal