PRL and Primary hypothyroidism: 11 Erik Pioro Erik Pioro P P Bernd Scheithauer Bernd Scheithauer W W Edward Laws Edward Laws R R Jr Jr Raymond Randall Raymond Randall V V Kalman Kovacs Kalman Kovacs T T Eva Eva Horvath Horvath Combined thyrotroph and lactotroph cell hypeplasia simulating prolactin-secreting pituitary adenoma in long-standing primary hypothyroidism Combined thyrotroph and lactotroph cell hypeplasia simulating prolactin-secreting pituitary adenoma in long-standing primary hypothyroidism Surgical Neurology Surgical Neurology 1988 1988 3 3 29 29 3 3 218 218 226 226 3344469 3344469