@article{201907.0147,
	doi = {10.20944/preprints201907.0147.v1},
	url = {https://doi.org/10.20944/preprints201907.0147.v1},
	year = 2019,
	month = {July},
	publisher = {Preprints},
	author = {Abbas Almulla and Hussein Al-Hakeim and Michael Maes},
	title = {Schizophrenia Phenomenology Revisited: Positive and Negative Symptoms are Strongly Related Reflective Manifestations of an Underlying Single Trait Indicating Overall Severity of Schizophrenia},
	journal = {Preprints}
}