Which of the following is unlikely to cause enamel hypoplasia?

Benign tumour of voluntary muscle ________?

Amino acids excreted in the urine in cystinosis________?

Vasopressin is synthesized in the________?

Intro nuclear inclusions detected during the course of herpes simplex virus infection are called________?

Increased incidence of squamous cell carcinoma of the skin is due to all except________?