Who discovered the proctosigmoidoscopy test?
what is the cpt code for proctosigmoidoscopy with biopsy of four lesions
no
45305
The Bleep Test was invented in 1983
John Flamsteed invented the first test tube.
the word test was invented back in 1234 when Richard Bangola said 'why don't we test this' the word came out of his mouth without him realising it.
Test tubes was invented by Jhon Flamesteed
In 1910
Henry ribers
Luc Leger
Germany
1921.