1,3,8,10,11,14-Hexazapentaphene-2,4,7,9(14H, 3H, 8H, 11H)-tetraones (bent double-headed 5-deazaflavins) with strong oxidizing power.

A double-headed polyp

A 50-year-old man was seen as an outpatient for isolated, minimal and intermittent lower gastrointestinal bleeding. He had a history of well-controlled hypertension and diabetes. During his colonoscopy, a polyp with two heads that shared a common long and large stalk was encountered in the sigmoid colon (Fig. 1A). The heads were approximately 2 cm and 3 cm in size. Because of their overall size...

A Double-Headed Monster

A Double-Headed Monster

A double-headed monster was born in the Railway Hospital, Samastipur, on 5th July, 1948. It is an interesting case because of its rarity; the photograph (plate XXII) tells its own story. Dr. Mody, in his jurisprudence, gives a picture of such monster without any detail. The woman was a sweeper by caste, second para, and fairly well built. She came to hospital in a precarious condition, having b...

Classifying bent-double galaxies

Data mining is a process concerned with uncovering patterns, associations, anomalies, and statistically significant structures in data. These techniques have long been applied to astronomy data, both by astronomers using data mining techniques and by data miners working with astronomy data. Such research has included the use of neural networks to discriminate between stars and galaxies, as well...

Demographics of Patients with Double-headed Pterygium and Surgical Outcomes

OBJECTIVES To analyze demographic and ophthalmologic characteristics of patients with double-headed pterygium in the Mediterranean region of Turkey and to evaluate their surgical outcomes. MATERIALS AND METHODS Records of all patients who underwent surgery for pterygium in Antalya Atatürk State Hospital between November 2012 and March 2014 were retrospectively reviewed. Patients with pterygia...